987808612

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{236771}}^1$

素因数の和:236931

約数の個数: 24

約数和(自身を含む): 1988884800

約数和(自身を除く): 1001076188

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 236771, 473542, 947084, 1657397, 3314794, 6629588, 35278879, 70557758, 141115516, 246952153, 493904306, 987808612]

約数ペア:

[(1, 987808612), (2, 493904306), (4, 246952153), (7, 141115516), (14, 70557758), (28, 35278879), (149, 6629588), (298, 3314794), (596, 1657397), (1043, 947084), (2086, 473542), (4172, 236771)]