25704016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 53996544

約数和(自身を除く): 28292528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 647, 764, 1294, 1528, 2483, 2588, 3056, 4966, 5176, 8411, 9932, 10352, 16822, 19864, 33644, 39728, 67288, 123577, 134576, 247154, 494308, 988616, 1606501, 1977232, 3213002, 6426004, 12852008, 25704016]

約数ペア:

[(1, 25704016), (2, 12852008), (4, 6426004), (8, 3213002), (13, 1977232), (16, 1606501), (26, 988616), (52, 494308), (104, 247154), (191, 134576), (208, 123577), (382, 67288), (647, 39728), (764, 33644), (1294, 19864), (1528, 16822), (2483, 10352), (2588, 9932), (3056, 8411), (4966, 5176)]