218351848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 510935040

約数和(自身を除く): 292583192

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 47, 52, 62, 88, 94, 104, 124, 131, 143, 188, 248, 262, 286, 341, 376, 403, 517, 524, 572, 611, 682, 806, 1034, 1048, 1144, 1222, 1364, 1441, 1457, 1612, 1703, 2068, 2444, 2728, 2882, 2914, 3224, 3406, 4061, 4136, 4433, 4888, 5764, 5828, 6157, 6721, 6812, 8122, 8866, 11528, 11656, 12314, 13442, 13624, 16027, 16244, 17732, 18733, 18941, 24628, 26884, 32054, 32488, 35464, 37466, 37882, 44671, 49256, 52793, 53768, 64108, 67727, 74932, 75764, 80041, 89342, 105586, 128216, 135454, 149864, 151528, 160082, 178684, 190867, 208351, 211172, 270908, 320164, 357368, 381734, 416702, 422344, 541816, 580723, 640328, 763468, 833404, 880451, 1161446, 1526936, 1666808, 1760902, 2099537, 2322892, 2481271, 3521804, 4199074, 4645784, 4962542, 7043608, 8398148, 9925084, 16796296, 19850168, 27293981, 54587962, 109175924, 218351848]

約数ペア:

[(1, 218351848), (2, 109175924), (4, 54587962), (8, 27293981), (11, 19850168), (13, 16796296), (22, 9925084), (26, 8398148), (31, 7043608), (44, 4962542), (47, 4645784), (52, 4199074), (62, 3521804), (88, 2481271), (94, 2322892), (104, 2099537), (124, 1760902), (131, 1666808), (143, 1526936), (188, 1161446), (248, 880451), (262, 833404), (286, 763468), (341, 640328), (376, 580723), (403, 541816), (517, 422344), (524, 416702), (572, 381734), (611, 357368), (682, 320164), (806, 270908), (1034, 211172), (1048, 208351), (1144, 190867), (1222, 178684), (1364, 160082), (1441, 151528), (1457, 149864), (1612, 135454), (1703, 128216), (2068, 105586), (2444, 89342), (2728, 80041), (2882, 75764), (2914, 74932), (3224, 67727), (3406, 64108), (4061, 53768), (4136, 52793), (4433, 49256), (4888, 44671), (5764, 37882), (5828, 37466), (6157, 35464), (6721, 32488), (6812, 32054), (8122, 26884), (8866, 24628), (11528, 18941), (11656, 18733), (12314, 17732), (13442, 16244), (13624, 16027)]