13712380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 31693536

約数和(自身を除く): 17981156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 397, 628, 785, 794, 1570, 1588, 1727, 1985, 3140, 3454, 3970, 4367, 6908, 7940, 8635, 8734, 17270, 17468, 21835, 34540, 43670, 62329, 87340, 124658, 249316, 311645, 623290, 685619, 1246580, 1371238, 2742476, 3428095, 6856190, 13712380]

約数ペア:

[(1, 13712380), (2, 6856190), (4, 3428095), (5, 2742476), (10, 1371238), (11, 1246580), (20, 685619), (22, 623290), (44, 311645), (55, 249316), (110, 124658), (157, 87340), (220, 62329), (314, 43670), (397, 34540), (628, 21835), (785, 17468), (794, 17270), (1570, 8734), (1588, 8635), (1727, 7940), (1985, 6908), (3140, 4367), (3454, 3970)]