81486704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1129}}^1$

素因数の和:1497

約数の個数: 40

約数和(自身を含む): 170666160

約数和(自身を除く): 89179456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 347, 694, 1129, 1388, 2258, 2776, 4511, 4516, 5552, 9022, 9032, 14677, 18044, 18064, 29354, 36088, 58708, 72176, 117416, 234832, 391763, 783526, 1567052, 3134104, 5092919, 6268208, 10185838, 20371676, 40743352, 81486704]

約数ペア:

[(1, 81486704), (2, 40743352), (4, 20371676), (8, 10185838), (13, 6268208), (16, 5092919), (26, 3134104), (52, 1567052), (104, 783526), (208, 391763), (347, 234832), (694, 117416), (1129, 72176), (1388, 58708), (2258, 36088), (2776, 29354), (4511, 18064), (4516, 18044), (5552, 14677), (9022, 9032)]