64639328

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{155383}}^1$

素因数の和:155406

約数の個数: 24

約数和(自身を含む): 137048688

約数和(自身を除く): 72409360

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 155383, 310766, 621532, 1243064, 2019979, 2486128, 4039958, 4972256, 8079916, 16159832, 32319664, 64639328]

約数ペア:

[(1, 64639328), (2, 32319664), (4, 16159832), (8, 8079916), (13, 4972256), (16, 4039958), (26, 2486128), (32, 2019979), (52, 1243064), (104, 621532), (208, 310766), (416, 155383)]