64687312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{237821}}^1$

素因数の和:237846

約数の個数: 20

約数和(自身を含む): 132704676

約数和(自身を除く): 68017364

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 237821, 475642, 951284, 1902568, 3805136, 4042957, 8085914, 16171828, 32343656, 64687312]

約数ペア:

[(1, 64687312), (2, 32343656), (4, 16171828), (8, 8085914), (16, 4042957), (17, 3805136), (34, 1902568), (68, 951284), (136, 475642), (272, 237821)]