81569968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2237}}^1$

素因数の和:2341

約数の個数: 40

約数和(自身を含む): 164842128

約数和(自身を除く): 83272160

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 2237, 2279, 4474, 4558, 8948, 9116, 17896, 18232, 35792, 36464, 96191, 118561, 192382, 237122, 384764, 474244, 769528, 948488, 1539056, 1896976, 5098123, 10196246, 20392492, 40784984, 81569968]

約数ペア:

[(1, 81569968), (2, 40784984), (4, 20392492), (8, 10196246), (16, 5098123), (43, 1896976), (53, 1539056), (86, 948488), (106, 769528), (172, 474244), (212, 384764), (344, 237122), (424, 192382), (688, 118561), (848, 96191), (2237, 36464), (2279, 35792), (4474, 18232), (4558, 17896), (8948, 9116)]