28739158

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 51163200

約数和(自身を除く): 22424042

約数列:

[1, 2, 7, 14, 37, 74, 109, 218, 259, 509, 518, 763, 1018, 1526, 3563, 4033, 7126, 8066, 18833, 28231, 37666, 55481, 56462, 110962, 131831, 263662, 388367, 776734, 2052797, 4105594, 14369579, 28739158]

約数ペア:

[(1, 28739158), (2, 14369579), (7, 4105594), (14, 2052797), (37, 776734), (74, 388367), (109, 263662), (218, 131831), (259, 110962), (509, 56462), (518, 55481), (763, 37666), (1018, 28231), (1526, 18833), (3563, 8066), (4033, 7126)]