71333264

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 141356280

約数和(自身を除く): 70023016

約数列:

[1, 2, 4, 8, 16, 73, 146, 157, 292, 314, 389, 584, 628, 778, 1168, 1256, 1556, 2512, 3112, 6224, 11461, 22922, 28397, 45844, 56794, 61073, 91688, 113588, 122146, 183376, 227176, 244292, 454352, 488584, 977168, 4458329, 8916658, 17833316, 35666632, 71333264]

約数ペア:

[(1, 71333264), (2, 35666632), (4, 17833316), (8, 8916658), (16, 4458329), (73, 977168), (146, 488584), (157, 454352), (292, 244292), (314, 227176), (389, 183376), (584, 122146), (628, 113588), (778, 91688), (1168, 61073), (1256, 56794), (1556, 45844), (2512, 28397), (3112, 22922), (6224, 11461)]