64103416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32441}}^1$

素因数の和:32479

約数の個数: 32

約数和(自身を含む): 136256400

約数和(自身を除く): 72152984

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 32441, 64882, 129764, 259528, 421733, 616379, 843466, 1232758, 1686932, 2465516, 3373864, 4931032, 8012927, 16025854, 32051708, 64103416]

約数ペア:

[(1, 64103416), (2, 32051708), (4, 16025854), (8, 8012927), (13, 4931032), (19, 3373864), (26, 2465516), (38, 1686932), (52, 1232758), (76, 843466), (104, 616379), (152, 421733), (247, 259528), (494, 129764), (988, 64882), (1976, 32441)]