28619374

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 50319360

約数和(自身を除く): 21699986

約数列:

[1, 2, 7, 14, 89, 103, 178, 206, 223, 446, 623, 721, 1246, 1442, 1561, 3122, 9167, 18334, 19847, 22969, 39694, 45938, 64169, 128338, 138929, 160783, 277858, 321566, 2044241, 4088482, 14309687, 28619374]

約数ペア:

[(1, 28619374), (2, 14309687), (7, 4088482), (14, 2044241), (89, 321566), (103, 277858), (178, 160783), (206, 138929), (223, 128338), (446, 64169), (623, 45938), (721, 39694), (1246, 22969), (1442, 19847), (1561, 18334), (3122, 9167)]