255731658

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4297}}^1$

素因数の和:4431

約数の個数: 64

約数和(自身を含む): 635416320

約数和(自身を除く): 379684662

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 109, 182, 218, 273, 327, 546, 654, 763, 1417, 1526, 2289, 2834, 4251, 4297, 4578, 8502, 8594, 9919, 12891, 19838, 25782, 29757, 30079, 55861, 59514, 60158, 90237, 111722, 167583, 180474, 335166, 391027, 468373, 782054, 936746, 1173081, 1405119, 2346162, 2810238, 3278611, 6088849, 6557222, 9835833, 12177698, 18266547, 19671666, 36533094, 42621943, 85243886, 127865829, 255731658]

約数ペア:

[(1, 255731658), (2, 127865829), (3, 85243886), (6, 42621943), (7, 36533094), (13, 19671666), (14, 18266547), (21, 12177698), (26, 9835833), (39, 6557222), (42, 6088849), (78, 3278611), (91, 2810238), (109, 2346162), (182, 1405119), (218, 1173081), (273, 936746), (327, 782054), (546, 468373), (654, 391027), (763, 335166), (1417, 180474), (1526, 167583), (2289, 111722), (2834, 90237), (4251, 60158), (4297, 59514), (4578, 55861), (8502, 30079), (8594, 29757), (9919, 25782), (12891, 19838)]