131437888

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:399

約数の個数: 56

約数和(自身を含む): 267118592

約数和(自身を除く): 135680704

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 127, 157, 206, 254, 314, 412, 508, 628, 824, 1016, 1256, 1648, 2032, 2512, 3296, 4064, 5024, 6592, 8128, 10048, 13081, 16171, 19939, 26162, 32342, 39878, 52324, 64684, 79756, 104648, 129368, 159512, 209296, 258736, 319024, 418592, 517472, 638048, 837184, 1034944, 1276096, 2053717, 4107434, 8214868, 16429736, 32859472, 65718944, 131437888]

約数ペア:

[(1, 131437888), (2, 65718944), (4, 32859472), (8, 16429736), (16, 8214868), (32, 4107434), (64, 2053717), (103, 1276096), (127, 1034944), (157, 837184), (206, 638048), (254, 517472), (314, 418592), (412, 319024), (508, 258736), (628, 209296), (824, 159512), (1016, 129368), (1256, 104648), (1648, 79756), (2032, 64684), (2512, 52324), (3296, 39878), (4064, 32342), (5024, 26162), (6592, 19939), (8128, 16171), (10048, 13081)]