81668816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1423}}^1$

素因数の和:1659

約数の個数: 40

約数和(自身を含む): 168453504

約数和(自身を除く): 86784688

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 211, 272, 422, 844, 1423, 1688, 2846, 3376, 3587, 5692, 7174, 11384, 14348, 22768, 24191, 28696, 48382, 57392, 96764, 193528, 300253, 387056, 600506, 1201012, 2402024, 4804048, 5104301, 10208602, 20417204, 40834408, 81668816]

約数ペア:

[(1, 81668816), (2, 40834408), (4, 20417204), (8, 10208602), (16, 5104301), (17, 4804048), (34, 2402024), (68, 1201012), (136, 600506), (211, 387056), (272, 300253), (422, 193528), (844, 96764), (1423, 57392), (1688, 48382), (2846, 28696), (3376, 24191), (3587, 22768), (5692, 14348), (7174, 11384)]