1798420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6917}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 4067784

約数和(自身を除く): 2269364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6917, 13834, 27668, 34585, 69170, 89921, 138340, 179842, 359684, 449605, 899210, 1798420]

約数ペア:

[(1, 1798420), (2, 899210), (4, 449605), (5, 359684), (10, 179842), (13, 138340), (20, 89921), (26, 69170), (52, 34585), (65, 27668), (130, 13834), (260, 6917)]