81098479

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7919}}^1$

素因数の和:7963

約数の個数: 24

約数和(自身を含む): 108345600

約数和(自身を除く): 27247121

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 7919, 10241, 55433, 87109, 150461, 388031, 609763, 1053227, 1655071, 4268341, 7372589, 11585497, 81098479]

約数ペア:

[(1, 81098479), (7, 11585497), (11, 7372589), (19, 4268341), (49, 1655071), (77, 1053227), (133, 609763), (209, 388031), (539, 150461), (931, 87109), (1463, 55433), (7919, 10241)]