256103674449

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{557}}^1\times {\mathrm{6121}}^1$

素因数の和:6775

約数の個数: 64

約数和(自身を含む): 404463398400

約数和(自身を除く): 148359723951

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 343, 511, 557, 1029, 1533, 1671, 3577, 3899, 6121, 10731, 11697, 18363, 25039, 27293, 40661, 42847, 75117, 81879, 121983, 128541, 191051, 284627, 299929, 446833, 573153, 853881, 899787, 1340499, 1992389, 2099503, 3127831, 3409397, 5977167, 6298509, 9383493, 10228191, 13946723, 21894817, 23865779, 41840169, 65684451, 71597337, 153263719, 167060453, 248885981, 459791157, 501181359, 746657943, 1169423171, 1742201867, 3508269513, 5226605601, 12195413069, 36586239207, 85367891483, 256103674449]

約数ペア:

[(1, 256103674449), (3, 85367891483), (7, 36586239207), (21, 12195413069), (49, 5226605601), (73, 3508269513), (147, 1742201867), (219, 1169423171), (343, 746657943), (511, 501181359), (557, 459791157), (1029, 248885981), (1533, 167060453), (1671, 153263719), (3577, 71597337), (3899, 65684451), (6121, 41840169), (10731, 23865779), (11697, 21894817), (18363, 13946723), (25039, 10228191), (27293, 9383493), (40661, 6298509), (42847, 5977167), (75117, 3409397), (81879, 3127831), (121983, 2099503), (128541, 1992389), (191051, 1340499), (284627, 899787), (299929, 853881), (446833, 573153)]