644714976958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1931}}^1\times {\mathrm{12841393}}^1$

素因数の和:12843339

約数の個数: 16

約数和(自身を含む): 1042002074736

約数和(自身を除く): 397287097778

約数列:

[1, 2, 13, 26, 1931, 3862, 25103, 50206, 12841393, 25682786, 166938109, 333876218, 24796729883, 49593459766, 322357488479, 644714976958]

約数ペア:

[(1, 644714976958), (2, 322357488479), (13, 49593459766), (26, 24796729883), (1931, 333876218), (3862, 166938109), (25103, 25682786), (50206, 12841393)]