1557522988

素因数分解:

$2^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{56131}}^1$

素因数の和:57133

約数の個数: 24

約数和(自身を含む): 3118244864

約数和(自身を除く): 1560721876

約数列:

[1, 2, 4, 7, 14, 28, 991, 1982, 3964, 6937, 13874, 27748, 56131, 112262, 224524, 392917, 785834, 1571668, 55625821, 111251642, 222503284, 389380747, 778761494, 1557522988]

約数ペア:

[(1, 1557522988), (2, 778761494), (4, 389380747), (7, 222503284), (14, 111251642), (28, 55625821), (991, 1571668), (1982, 785834), (3964, 392917), (6937, 224524), (13874, 112262), (27748, 56131)]