81664772

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{11261}}^1$

素因数の和:11316

約数の個数: 36

約数和(自身を含む): 170754444

約数和(自身を除く): 89089672

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 7252, 11261, 22522, 45044, 78827, 157654, 315308, 416657, 551789, 833314, 1103578, 1666628, 2207156, 2916599, 5833198, 11666396, 20416193, 40832386, 81664772]

約数ペア:

[(1, 81664772), (2, 40832386), (4, 20416193), (7, 11666396), (14, 5833198), (28, 2916599), (37, 2207156), (49, 1666628), (74, 1103578), (98, 833314), (148, 551789), (196, 416657), (259, 315308), (518, 157654), (1036, 78827), (1813, 45044), (3626, 22522), (7252, 11261)]