981812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 1881600

約数和(自身を除く): 899788

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 239, 316, 478, 956, 1027, 2054, 3107, 4108, 6214, 12428, 18881, 37762, 75524, 245453, 490906, 981812]

約数ペア:

[(1, 981812), (2, 490906), (4, 245453), (13, 75524), (26, 37762), (52, 18881), (79, 12428), (158, 6214), (239, 4108), (316, 3107), (478, 2054), (956, 1027)]