256257183

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{4099}}^1$

素因数の和:4351

約数の個数: 32

約数和(自身を含む): 422464000

約数和(自身を除く): 166206817

約数列:

[1, 3, 7, 13, 21, 39, 91, 229, 273, 687, 1603, 2977, 4099, 4809, 8931, 12297, 20839, 28693, 53287, 62517, 86079, 159861, 373009, 938671, 1119027, 2816013, 6570697, 12202723, 19712091, 36608169, 85419061, 256257183]

約数ペア:

[(1, 256257183), (3, 85419061), (7, 36608169), (13, 19712091), (21, 12202723), (39, 6570697), (91, 2816013), (229, 1119027), (273, 938671), (687, 373009), (1603, 159861), (2977, 86079), (4099, 62517), (4809, 53287), (8931, 28693), (12297, 20839)]