12653456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 25665024

約数和(自身を除く): 13011568

約数列:

[1, 2, 4, 8, 16, 31, 62, 97, 124, 194, 248, 263, 388, 496, 526, 776, 1052, 1552, 2104, 3007, 4208, 6014, 8153, 12028, 16306, 24056, 25511, 32612, 48112, 51022, 65224, 102044, 130448, 204088, 408176, 790841, 1581682, 3163364, 6326728, 12653456]

約数ペア:

[(1, 12653456), (2, 6326728), (4, 3163364), (8, 1581682), (16, 790841), (31, 408176), (62, 204088), (97, 130448), (124, 102044), (194, 65224), (248, 51022), (263, 48112), (388, 32612), (496, 25511), (526, 24056), (776, 16306), (1052, 12028), (1552, 8153), (2104, 6014), (3007, 4208)]