247981648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{1901}}^1$

素因数の和:2203

約数の個数: 40

約数和(自身を含む): 498110976

約数和(自身を除く): 250129328

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 263, 496, 526, 1052, 1901, 2104, 3802, 4208, 7604, 8153, 15208, 16306, 30416, 32612, 58931, 65224, 117862, 130448, 235724, 471448, 499963, 942896, 999926, 1999852, 3999704, 7999408, 15498853, 30997706, 61995412, 123990824, 247981648]

約数ペア:

[(1, 247981648), (2, 123990824), (4, 61995412), (8, 30997706), (16, 15498853), (31, 7999408), (62, 3999704), (124, 1999852), (248, 999926), (263, 942896), (496, 499963), (526, 471448), (1052, 235724), (1901, 130448), (2104, 117862), (3802, 65224), (4208, 58931), (7604, 32612), (8153, 30416), (15208, 16306)]