398609870

素因数分解:

$2^1\times 5^1\times {\mathrm{2633}}^1\times {\mathrm{15139}}^1$

素因数の和:17779

約数の個数: 16

約数和(自身を含む): 717817680

約数和(自身を除く): 319207810

約数列:

[1, 2, 5, 10, 2633, 5266, 13165, 15139, 26330, 30278, 75695, 151390, 39860987, 79721974, 199304935, 398609870]

約数ペア:

[(1, 398609870), (2, 199304935), (5, 79721974), (10, 39860987), (2633, 151390), (5266, 75695), (13165, 30278), (15139, 26330)]