28721692

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1231}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 53123840

約数和(自身を除く): 24402148

約数列:

[1, 2, 4, 19, 38, 76, 307, 614, 1228, 1231, 2462, 4924, 5833, 11666, 23332, 23389, 46778, 93556, 377917, 755834, 1511668, 7180423, 14360846, 28721692]

約数ペア:

[(1, 28721692), (2, 14360846), (4, 7180423), (19, 1511668), (38, 755834), (76, 377917), (307, 93556), (614, 46778), (1228, 23389), (1231, 23332), (2462, 11666), (4924, 5833)]