12891056

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 26237904

約数和(自身を除く): 13346848

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 457, 656, 688, 914, 1763, 1828, 3526, 3656, 7052, 7312, 14104, 18737, 19651, 28208, 37474, 39302, 74948, 78604, 149896, 157208, 299792, 314416, 805691, 1611382, 3222764, 6445528, 12891056]

約数ペア:

[(1, 12891056), (2, 6445528), (4, 3222764), (8, 1611382), (16, 805691), (41, 314416), (43, 299792), (82, 157208), (86, 149896), (164, 78604), (172, 74948), (328, 39302), (344, 37474), (457, 28208), (656, 19651), (688, 18737), (914, 14104), (1763, 7312), (1828, 7052), (3526, 3656)]