257171992

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 668131200

約数和(自身を除く): 410959208

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 43, 44, 49, 56, 73, 76, 77, 86, 88, 98, 133, 146, 152, 154, 172, 196, 209, 266, 292, 301, 308, 344, 392, 418, 473, 511, 532, 539, 584, 602, 616, 803, 817, 836, 931, 946, 1022, 1064, 1078, 1204, 1387, 1463, 1606, 1634, 1672, 1862, 1892, 2044, 2107, 2156, 2408, 2774, 2926, 3139, 3212, 3268, 3311, 3577, 3724, 3784, 4088, 4214, 4312, 5548, 5621, 5719, 5852, 6278, 6424, 6536, 6622, 7154, 7448, 8428, 8987, 9709, 10241, 11096, 11242, 11438, 11704, 12556, 13244, 14308, 15257, 16856, 17974, 19418, 20482, 21973, 22484, 22876, 23177, 25112, 26488, 28616, 30514, 34529, 35948, 38836, 39347, 40033, 40964, 43946, 44968, 45752, 46354, 59641, 61028, 62909, 67963, 69058, 71896, 77672, 78694, 80066, 81928, 87892, 92708, 106799, 119282, 122056, 125818, 135926, 138116, 153811, 157388, 160132, 175784, 185416, 213598, 238564, 241703, 251636, 271852, 276232, 307622, 314776, 320264, 417487, 427196, 440363, 477128, 483406, 503272, 543704, 615244, 656051, 747593, 834974, 854392, 880726, 966812, 1230488, 1312102, 1495186, 1669948, 1691921, 1761452, 1933624, 2624204, 2922409, 2990372, 3339896, 3383842, 3522904, 4592357, 5248408, 5844818, 5980744, 6767684, 9184714, 11689636, 13535368, 18369428, 23379272, 32146499, 36738856, 64292998, 128585996, 257171992]

約数ペア:

[(1, 257171992), (2, 128585996), (4, 64292998), (7, 36738856), (8, 32146499), (11, 23379272), (14, 18369428), (19, 13535368), (22, 11689636), (28, 9184714), (38, 6767684), (43, 5980744), (44, 5844818), (49, 5248408), (56, 4592357), (73, 3522904), (76, 3383842), (77, 3339896), (86, 2990372), (88, 2922409), (98, 2624204), (133, 1933624), (146, 1761452), (152, 1691921), (154, 1669948), (172, 1495186), (196, 1312102), (209, 1230488), (266, 966812), (292, 880726), (301, 854392), (308, 834974), (344, 747593), (392, 656051), (418, 615244), (473, 543704), (511, 503272), (532, 483406), (539, 477128), (584, 440363), (602, 427196), (616, 417487), (803, 320264), (817, 314776), (836, 307622), (931, 276232), (946, 271852), (1022, 251636), (1064, 241703), (1078, 238564), (1204, 213598), (1387, 185416), (1463, 175784), (1606, 160132), (1634, 157388), (1672, 153811), (1862, 138116), (1892, 135926), (2044, 125818), (2107, 122056), (2156, 119282), (2408, 106799), (2774, 92708), (2926, 87892), (3139, 81928), (3212, 80066), (3268, 78694), (3311, 77672), (3577, 71896), (3724, 69058), (3784, 67963), (4088, 62909), (4214, 61028), (4312, 59641), (5548, 46354), (5621, 45752), (5719, 44968), (5852, 43946), (6278, 40964), (6424, 40033), (6536, 39347), (6622, 38836), (7154, 35948), (7448, 34529), (8428, 30514), (8987, 28616), (9709, 26488), (10241, 25112), (11096, 23177), (11242, 22876), (11438, 22484), (11704, 21973), (12556, 20482), (13244, 19418), (14308, 17974), (15257, 16856)]