639839928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{773}}^1$

素因数の和:1181

約数の個数: 128

約数和(自身を含む): 1976486400

約数和(自身を除く): 1336646472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 379, 546, 728, 758, 773, 1092, 1137, 1516, 1546, 2184, 2274, 2319, 2653, 3032, 3092, 4548, 4638, 4927, 5306, 5411, 6184, 7959, 9096, 9276, 9854, 10049, 10612, 10822, 14781, 15918, 16233, 18552, 19708, 20098, 21224, 21644, 29562, 30147, 31836, 32466, 34489, 39416, 40196, 43288, 59124, 60294, 63672, 64932, 68978, 70343, 80392, 103467, 118248, 120588, 129864, 137956, 140686, 206934, 211029, 241176, 275912, 281372, 292967, 413868, 422058, 562744, 585934, 827736, 844116, 878901, 1171868, 1688232, 1757802, 2050769, 2343736, 3515604, 3808571, 4101538, 6152307, 7031208, 7617142, 8203076, 11425713, 12304614, 15234284, 16406152, 22851426, 24609228, 26659997, 30468568, 45702852, 49218456, 53319994, 79979991, 91405704, 106639988, 159959982, 213279976, 319919964, 639839928]

約数ペア:

[(1, 639839928), (2, 319919964), (3, 213279976), (4, 159959982), (6, 106639988), (7, 91405704), (8, 79979991), (12, 53319994), (13, 49218456), (14, 45702852), (21, 30468568), (24, 26659997), (26, 24609228), (28, 22851426), (39, 16406152), (42, 15234284), (52, 12304614), (56, 11425713), (78, 8203076), (84, 7617142), (91, 7031208), (104, 6152307), (156, 4101538), (168, 3808571), (182, 3515604), (273, 2343736), (312, 2050769), (364, 1757802), (379, 1688232), (546, 1171868), (728, 878901), (758, 844116), (773, 827736), (1092, 585934), (1137, 562744), (1516, 422058), (1546, 413868), (2184, 292967), (2274, 281372), (2319, 275912), (2653, 241176), (3032, 211029), (3092, 206934), (4548, 140686), (4638, 137956), (4927, 129864), (5306, 120588), (5411, 118248), (6184, 103467), (7959, 80392), (9096, 70343), (9276, 68978), (9854, 64932), (10049, 63672), (10612, 60294), (10822, 59124), (14781, 43288), (15918, 40196), (16233, 39416), (18552, 34489), (19708, 32466), (20098, 31836), (21224, 30147), (21644, 29562)]