289690856

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{919}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 670790400

約数和(自身を除く): 381099544

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 433, 728, 866, 919, 1732, 1838, 3031, 3464, 3676, 5629, 6062, 6433, 7352, 11258, 11947, 12124, 12866, 22516, 23894, 24248, 25732, 39403, 45032, 47788, 51464, 78806, 83629, 95576, 157612, 167258, 315224, 334516, 397927, 669032, 795854, 1591708, 2785489, 3183416, 5173051, 5570978, 10346102, 11141956, 20692204, 22283912, 36211357, 41384408, 72422714, 144845428, 289690856]

約数ペア:

[(1, 289690856), (2, 144845428), (4, 72422714), (7, 41384408), (8, 36211357), (13, 22283912), (14, 20692204), (26, 11141956), (28, 10346102), (52, 5570978), (56, 5173051), (91, 3183416), (104, 2785489), (182, 1591708), (364, 795854), (433, 669032), (728, 397927), (866, 334516), (919, 315224), (1732, 167258), (1838, 157612), (3031, 95576), (3464, 83629), (3676, 78806), (5629, 51464), (6062, 47788), (6433, 45032), (7352, 39403), (11258, 25732), (11947, 24248), (12124, 23894), (12866, 22516)]