66811264

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{40151}}^1$

素因数の和:40178

約数の個数: 32

約数和(自身を含む): 143342640

約数和(自身を除く): 76531376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 40151, 80302, 160604, 321208, 521963, 642416, 1043926, 1284832, 2087852, 2569664, 4175704, 5139328, 8351408, 16702816, 33405632, 66811264]

約数ペア:

[(1, 66811264), (2, 33405632), (4, 16702816), (8, 8351408), (13, 5139328), (16, 4175704), (26, 2569664), (32, 2087852), (52, 1284832), (64, 1043926), (104, 642416), (128, 521963), (208, 321208), (416, 160604), (832, 80302), (1664, 40151)]