291215228

素因数分解:

$2^2\times {\mathrm{1063}}^1\times {\mathrm{68489}}^1$

素因数の和:69556

約数の個数: 12

約数和(自身を含む): 510113520

約数和(自身を除く): 218898292

約数列:

[1, 2, 4, 1063, 2126, 4252, 68489, 136978, 273956, 72803807, 145607614, 291215228]

約数ペア:

[(1, 291215228), (2, 145607614), (4, 72803807), (1063, 273956), (2126, 136978), (4252, 68489)]