639607688

素因数分解:

$2^3\times {\mathrm{2027}}^1\times {\mathrm{39443}}^1$

素因数の和:41476

約数の個数: 16

約数和(自身を含む): 1199886480

約数和(自身を除く): 560278792

約数列:

[1, 2, 4, 8, 2027, 4054, 8108, 16216, 39443, 78886, 157772, 315544, 79950961, 159901922, 319803844, 639607688]

約数ペア:

[(1, 639607688), (2, 319803844), (4, 159901922), (8, 79950961), (2027, 315544), (4054, 157772), (8108, 78886), (16216, 39443)]