648045125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2477}}^1$

素因数の和:2535

約数の個数: 64

約数和(自身を含む): 1039094784

約数和(自身を除く): 391049659

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 91, 115, 125, 161, 175, 299, 325, 455, 575, 805, 875, 1495, 1625, 2093, 2275, 2477, 2875, 4025, 7475, 10465, 11375, 12385, 17339, 20125, 32201, 37375, 52325, 56971, 61925, 86695, 161005, 225407, 261625, 284855, 309625, 398797, 433475, 740623, 805025, 1127035, 1424275, 1993985, 2167375, 3703115, 4025125, 5184361, 5635175, 7121375, 9969925, 18515575, 25921805, 28175875, 49849625, 92577875, 129609025, 648045125]

約数ペア:

[(1, 648045125), (5, 129609025), (7, 92577875), (13, 49849625), (23, 28175875), (25, 25921805), (35, 18515575), (65, 9969925), (91, 7121375), (115, 5635175), (125, 5184361), (161, 4025125), (175, 3703115), (299, 2167375), (325, 1993985), (455, 1424275), (575, 1127035), (805, 805025), (875, 740623), (1495, 433475), (1625, 398797), (2093, 309625), (2275, 284855), (2477, 261625), (2875, 225407), (4025, 161005), (7475, 86695), (10465, 61925), (11375, 56971), (12385, 52325), (17339, 37375), (20125, 32201)]