17977956479

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{31469}}^1$

素因数の和:31703

約数の個数: 24

約数和(自身を含む): 21310225200

約数和(自身を除く): 3332268721

約数列:

[1, 7, 49, 89, 131, 623, 917, 4361, 6419, 11659, 31469, 81613, 220283, 571291, 1541981, 2800741, 4122439, 19605187, 28857073, 137236309, 201999511, 366897071, 2568279497, 17977956479]

約数ペア:

[(1, 17977956479), (7, 2568279497), (49, 366897071), (89, 201999511), (131, 137236309), (623, 28857073), (917, 19605187), (4361, 4122439), (6419, 2800741), (11659, 1541981), (31469, 571291), (81613, 220283)]