666205872

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3221}}^1$

素因数の和:3402

約数の個数: 80

約数和(自身を含む): 1789885440

約数和(自身を除く): 1123679568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 139, 186, 248, 278, 372, 417, 496, 556, 744, 834, 1112, 1488, 1668, 2224, 3221, 3336, 4309, 6442, 6672, 8618, 9663, 12884, 12927, 17236, 19326, 25768, 25854, 34472, 38652, 51536, 51708, 68944, 77304, 99851, 103416, 154608, 199702, 206832, 299553, 399404, 447719, 599106, 798808, 895438, 1198212, 1343157, 1597616, 1790876, 2396424, 2686314, 3581752, 4792848, 5372628, 7163504, 10745256, 13879289, 21490512, 27758578, 41637867, 55517156, 83275734, 111034312, 166551468, 222068624, 333102936, 666205872]

約数ペア:

[(1, 666205872), (2, 333102936), (3, 222068624), (4, 166551468), (6, 111034312), (8, 83275734), (12, 55517156), (16, 41637867), (24, 27758578), (31, 21490512), (48, 13879289), (62, 10745256), (93, 7163504), (124, 5372628), (139, 4792848), (186, 3581752), (248, 2686314), (278, 2396424), (372, 1790876), (417, 1597616), (496, 1343157), (556, 1198212), (744, 895438), (834, 798808), (1112, 599106), (1488, 447719), (1668, 399404), (2224, 299553), (3221, 206832), (3336, 199702), (4309, 154608), (6442, 103416), (6672, 99851), (8618, 77304), (9663, 68944), (12884, 51708), (12927, 51536), (17236, 38652), (19326, 34472), (25768, 25854)]