28457366

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 50594112

約数和(自身を除く): 22136746

約数列:

[1, 2, 7, 14, 37, 74, 137, 259, 274, 401, 518, 802, 959, 1918, 2807, 5069, 5614, 10138, 14837, 29674, 35483, 54937, 70966, 103859, 109874, 207718, 384559, 769118, 2032669, 4065338, 14228683, 28457366]

約数ペア:

[(1, 28457366), (2, 14228683), (7, 4065338), (14, 2032669), (37, 769118), (74, 384559), (137, 207718), (259, 109874), (274, 103859), (401, 70966), (518, 54937), (802, 35483), (959, 29674), (1918, 14837), (2807, 10138), (5069, 5614)]