338671294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 555035040

約数和(自身を除く): 216363746

約数列:

[1, 2, 13, 26, 157, 163, 314, 326, 509, 1018, 2041, 2119, 4082, 4238, 6617, 13234, 25591, 51182, 79913, 82967, 159826, 165934, 332683, 665366, 1038869, 1078571, 2077738, 2157142, 13025819, 26051638, 169335647, 338671294]

約数ペア:

[(1, 338671294), (2, 169335647), (13, 26051638), (26, 13025819), (157, 2157142), (163, 2077738), (314, 1078571), (326, 1038869), (509, 665366), (1018, 332683), (2041, 165934), (2119, 159826), (4082, 82967), (4238, 79913), (6617, 51182), (13234, 25591)]