12980656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3671}}^1$

素因数の和:3709

約数の個数: 40

約数和(自身を含む): 28685664

約数和(自身を除く): 15705008

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 3671, 7342, 14684, 29368, 47723, 58736, 62407, 95446, 124814, 190892, 249628, 381784, 499256, 763568, 811291, 998512, 1622582, 3245164, 6490328, 12980656]

約数ペア:

[(1, 12980656), (2, 6490328), (4, 3245164), (8, 1622582), (13, 998512), (16, 811291), (17, 763568), (26, 499256), (34, 381784), (52, 249628), (68, 190892), (104, 124814), (136, 95446), (208, 62407), (221, 58736), (272, 47723), (442, 29368), (884, 14684), (1768, 7342), (3536, 3671)]