51439856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1109}}^1$

素因数の和:1353

約数の個数: 40

約数和(自身を含む): 107909760

約数和(自身を除く): 56469904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 223, 446, 892, 1109, 1784, 2218, 2899, 3568, 4436, 5798, 8872, 11596, 14417, 17744, 23192, 28834, 46384, 57668, 115336, 230672, 247307, 494614, 989228, 1978456, 3214991, 3956912, 6429982, 12859964, 25719928, 51439856]

約数ペア:

[(1, 51439856), (2, 25719928), (4, 12859964), (8, 6429982), (13, 3956912), (16, 3214991), (26, 1978456), (52, 989228), (104, 494614), (208, 247307), (223, 230672), (446, 115336), (892, 57668), (1109, 46384), (1784, 28834), (2218, 23192), (2899, 17744), (3568, 14417), (4436, 11596), (5798, 8872)]