123380816

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:580

約数の個数: 60

約数和(自身を含む): 261956448

約数和(自身を除く): 138575632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 169, 206, 208, 338, 412, 443, 676, 824, 886, 1339, 1352, 1648, 1772, 2678, 2704, 3544, 5356, 5759, 7088, 10712, 11518, 17407, 21424, 23036, 34814, 45629, 46072, 69628, 74867, 91258, 92144, 139256, 149734, 182516, 278512, 299468, 365032, 593177, 598936, 730064, 1186354, 1197872, 2372708, 4745416, 7711301, 9490832, 15422602, 30845204, 61690408, 123380816]

約数ペア:

[(1, 123380816), (2, 61690408), (4, 30845204), (8, 15422602), (13, 9490832), (16, 7711301), (26, 4745416), (52, 2372708), (103, 1197872), (104, 1186354), (169, 730064), (206, 598936), (208, 593177), (338, 365032), (412, 299468), (443, 278512), (676, 182516), (824, 149734), (886, 139256), (1339, 92144), (1352, 91258), (1648, 74867), (1772, 69628), (2678, 46072), (2704, 45629), (3544, 34814), (5356, 23036), (5759, 21424), (7088, 17407), (10712, 11518)]