15761330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3962

約数の個数: 32

約数和(自身を含む): 31546368

約数和(自身を除く): 15785038

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 3911, 4030, 7822, 19555, 39110, 50843, 101686, 121241, 242482, 254215, 508430, 606205, 1212410, 1576133, 3152266, 7880665, 15761330]

約数ペア:

[(1, 15761330), (2, 7880665), (5, 3152266), (10, 1576133), (13, 1212410), (26, 606205), (31, 508430), (62, 254215), (65, 242482), (130, 121241), (155, 101686), (310, 50843), (403, 39110), (806, 19555), (2015, 7822), (3911, 4030)]