65799990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5581}}^1$

素因数の和:5725

約数の個数: 48

約数和(自身を含む): 172416816

約数和(自身を除く): 106616826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3930, 5581, 5895, 11162, 11790, 16743, 27905, 33486, 50229, 55810, 83715, 100458, 167430, 251145, 502290, 731111, 1462222, 2193333, 3655555, 4386666, 6579999, 7311110, 10966665, 13159998, 21933330, 32899995, 65799990]

約数ペア:

[(1, 65799990), (2, 32899995), (3, 21933330), (5, 13159998), (6, 10966665), (9, 7311110), (10, 6579999), (15, 4386666), (18, 3655555), (30, 2193333), (45, 1462222), (90, 731111), (131, 502290), (262, 251145), (393, 167430), (655, 100458), (786, 83715), (1179, 55810), (1310, 50229), (1965, 33486), (2358, 27905), (3930, 16743), (5581, 11790), (5895, 11162)]