636264980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{56911}}^1$

素因数の和:56976

約数の個数: 48

約数和(自身を含む): 1472427264

約数和(自身を除く): 836162284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 56911, 113822, 227644, 284555, 569110, 739843, 1138220, 1479686, 2447173, 2959372, 3699215, 4894346, 7398430, 9788692, 12235865, 14796860, 24471730, 31813249, 48943460, 63626498, 127252996, 159066245, 318132490, 636264980]

約数ペア:

[(1, 636264980), (2, 318132490), (4, 159066245), (5, 127252996), (10, 63626498), (13, 48943460), (20, 31813249), (26, 24471730), (43, 14796860), (52, 12235865), (65, 9788692), (86, 7398430), (130, 4894346), (172, 3699215), (215, 2959372), (260, 2447173), (430, 1479686), (559, 1138220), (860, 739843), (1118, 569110), (2236, 284555), (2795, 227644), (5590, 113822), (11180, 56911)]