1657407856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7968307}}^1$

素因数の和:7968328

約数の個数: 20

約数和(自身を含む): 3458245672

約数和(自身を除く): 1800837816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7968307, 15936614, 31873228, 63746456, 103587991, 127492912, 207175982, 414351964, 828703928, 1657407856]

約数ペア:

[(1, 1657407856), (2, 828703928), (4, 414351964), (8, 207175982), (13, 127492912), (16, 103587991), (26, 63746456), (52, 31873228), (104, 15936614), (208, 7968307)]