158740816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4861}}^1$

素因数の和:5039

約数の個数: 40

約数和(自身を含む): 333397064

約数和(自身を除く): 174656248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2041, 2512, 4082, 4861, 8164, 9722, 16328, 19444, 32656, 38888, 63193, 77776, 126386, 252772, 505544, 763177, 1011088, 1526354, 3052708, 6105416, 9921301, 12210832, 19842602, 39685204, 79370408, 158740816]

約数ペア:

[(1, 158740816), (2, 79370408), (4, 39685204), (8, 19842602), (13, 12210832), (16, 9921301), (26, 6105416), (52, 3052708), (104, 1526354), (157, 1011088), (208, 763177), (314, 505544), (628, 252772), (1256, 126386), (2041, 77776), (2512, 63193), (4082, 38888), (4861, 32656), (8164, 19444), (9722, 16328)]