129503668

素因数分解:

$2^2\times 7^2\times {\mathrm{660733}}^1$

素因数の和:660751

約数の個数: 18

約数和(自身を含む): 263632866

約数和(自身を除く): 134129198

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 660733, 1321466, 2642932, 4625131, 9250262, 18500524, 32375917, 64751834, 129503668]

約数ペア:

[(1, 129503668), (2, 64751834), (4, 32375917), (7, 18500524), (14, 9250262), (28, 4625131), (49, 2642932), (98, 1321466), (196, 660733)]