641361215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{220021}}^1$

素因数の和:220090

約数の個数: 16

約数和(自身を含む): 855445536

約数和(自身を除く): 214084321

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 220021, 1100105, 2420231, 11661113, 12101155, 58305565, 128272243, 641361215]

約数ペア:

[(1, 641361215), (5, 128272243), (11, 58305565), (53, 12101155), (55, 11661113), (265, 2420231), (583, 1100105), (2915, 220021)]