681356208

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1091917}}^1$

素因数の和:1091941

約数の個数: 40

約数和(自身を含む): 1895569648

約数和(自身を除く): 1214213440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1091917, 2183834, 3275751, 4367668, 6551502, 8735336, 13103004, 14194921, 17470672, 26206008, 28389842, 42584763, 52412016, 56779684, 85169526, 113559368, 170339052, 227118736, 340678104, 681356208]

約数ペア:

[(1, 681356208), (2, 340678104), (3, 227118736), (4, 170339052), (6, 113559368), (8, 85169526), (12, 56779684), (13, 52412016), (16, 42584763), (24, 28389842), (26, 26206008), (39, 17470672), (48, 14194921), (52, 13103004), (78, 8735336), (104, 6551502), (156, 4367668), (208, 3275751), (312, 2183834), (624, 1091917)]