256720172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1259}}^1\times {\mathrm{2683}}^1$

素因数の和:3965

約数の個数: 24

約数和(自身を含む): 473457600

約数和(自身を除く): 216737428

約数列:

[1, 2, 4, 19, 38, 76, 1259, 2518, 2683, 5036, 5366, 10732, 23921, 47842, 50977, 95684, 101954, 203908, 3377897, 6755794, 13511588, 64180043, 128360086, 256720172]

約数ペア:

[(1, 256720172), (2, 128360086), (4, 64180043), (19, 13511588), (38, 6755794), (76, 3377897), (1259, 203908), (2518, 101954), (2683, 95684), (5036, 50977), (5366, 47842), (10732, 23921)]