291289456

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 646297920

約数和(自身を除く): 355008464

約数列:

[1, 2, 4, 8, 16, 19, 29, 37, 38, 47, 58, 74, 76, 94, 116, 148, 152, 188, 232, 296, 304, 361, 376, 464, 551, 592, 703, 722, 752, 893, 1073, 1102, 1363, 1406, 1444, 1739, 1786, 2146, 2204, 2726, 2812, 2888, 3478, 3572, 4292, 4408, 5452, 5624, 5776, 6956, 7144, 8584, 8816, 10469, 10904, 11248, 13357, 13912, 14288, 16967, 17168, 20387, 20938, 21808, 25897, 26714, 27824, 33041, 33934, 40774, 41876, 50431, 51794, 53428, 66082, 67868, 81548, 83752, 100862, 103588, 106856, 132164, 135736, 163096, 167504, 201724, 207176, 213712, 264328, 271472, 326192, 387353, 403448, 414352, 492043, 528656, 627779, 774706, 806896, 958189, 984086, 1255558, 1549412, 1916378, 1968172, 2511116, 3098824, 3832756, 3936344, 5022232, 6197648, 7665512, 7872688, 10044464, 15331024, 18205591, 36411182, 72822364, 145644728, 291289456]

約数ペア:

[(1, 291289456), (2, 145644728), (4, 72822364), (8, 36411182), (16, 18205591), (19, 15331024), (29, 10044464), (37, 7872688), (38, 7665512), (47, 6197648), (58, 5022232), (74, 3936344), (76, 3832756), (94, 3098824), (116, 2511116), (148, 1968172), (152, 1916378), (188, 1549412), (232, 1255558), (296, 984086), (304, 958189), (361, 806896), (376, 774706), (464, 627779), (551, 528656), (592, 492043), (703, 414352), (722, 403448), (752, 387353), (893, 326192), (1073, 271472), (1102, 264328), (1363, 213712), (1406, 207176), (1444, 201724), (1739, 167504), (1786, 163096), (2146, 135736), (2204, 132164), (2726, 106856), (2812, 103588), (2888, 100862), (3478, 83752), (3572, 81548), (4292, 67868), (4408, 66082), (5452, 53428), (5624, 51794), (5776, 50431), (6956, 41876), (7144, 40774), (8584, 33934), (8816, 33041), (10469, 27824), (10904, 26714), (11248, 25897), (13357, 21808), (13912, 20938), (14288, 20387), (16967, 17168)]