42401264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{155887}}^1$

素因数の和:155912

約数の個数: 20

約数和(自身を含む): 86985504

約数和(自身を除く): 44584240

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 155887, 311774, 623548, 1247096, 2494192, 2650079, 5300158, 10600316, 21200632, 42401264]

約数ペア:

[(1, 42401264), (2, 21200632), (4, 10600316), (8, 5300158), (16, 2650079), (17, 2494192), (34, 1247096), (68, 623548), (136, 311774), (272, 155887)]