661783908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:1025

約数の個数: 96

約数和(自身を含む): 1695232000

約数和(自身を除く): 1033448092

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 109, 114, 124, 186, 218, 228, 327, 372, 436, 589, 654, 859, 1178, 1308, 1718, 1767, 2071, 2356, 2577, 3379, 3436, 3534, 4142, 5154, 6213, 6758, 7068, 8284, 10137, 10308, 12426, 13516, 16321, 20274, 24852, 26629, 32642, 40548, 48963, 53258, 64201, 65284, 79887, 93631, 97926, 106516, 128402, 159774, 187262, 192603, 195852, 256804, 280893, 319548, 374524, 385206, 505951, 561786, 770412, 1011902, 1123572, 1517853, 1778989, 2023804, 2902561, 3035706, 3557978, 5336967, 5805122, 6071412, 7115956, 8707683, 10673934, 11610244, 17415366, 21347868, 34830732, 55148659, 110297318, 165445977, 220594636, 330891954, 661783908]

約数ペア:

[(1, 661783908), (2, 330891954), (3, 220594636), (4, 165445977), (6, 110297318), (12, 55148659), (19, 34830732), (31, 21347868), (38, 17415366), (57, 11610244), (62, 10673934), (76, 8707683), (93, 7115956), (109, 6071412), (114, 5805122), (124, 5336967), (186, 3557978), (218, 3035706), (228, 2902561), (327, 2023804), (372, 1778989), (436, 1517853), (589, 1123572), (654, 1011902), (859, 770412), (1178, 561786), (1308, 505951), (1718, 385206), (1767, 374524), (2071, 319548), (2356, 280893), (2577, 256804), (3379, 195852), (3436, 192603), (3534, 187262), (4142, 159774), (5154, 128402), (6213, 106516), (6758, 97926), (7068, 93631), (8284, 79887), (10137, 65284), (10308, 64201), (12426, 53258), (13516, 48963), (16321, 40548), (20274, 32642), (24852, 26629)]