12945712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:701

約数の個数: 40

約数和(自身を含む): 27307280

約数和(自身を除く): 14361568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 571, 872, 1142, 1417, 1744, 2284, 2834, 4568, 5668, 7423, 9136, 11336, 14846, 22672, 29692, 59384, 62239, 118768, 124478, 248956, 497912, 809107, 995824, 1618214, 3236428, 6472856, 12945712]

約数ペア:

[(1, 12945712), (2, 6472856), (4, 3236428), (8, 1618214), (13, 995824), (16, 809107), (26, 497912), (52, 248956), (104, 124478), (109, 118768), (208, 62239), (218, 59384), (436, 29692), (571, 22672), (872, 14846), (1142, 11336), (1417, 9136), (1744, 7423), (2284, 5668), (2834, 4568)]