2180221505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5662913}}^1$

素因数の和:5662936

約数の個数: 16

約数和(自身を含む): 3261838464

約数和(自身を除く): 1081616959

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 5662913, 28314565, 39640391, 62292043, 198201955, 311460215, 436044301, 2180221505]

約数ペア:

[(1, 2180221505), (5, 436044301), (7, 311460215), (11, 198201955), (35, 62292043), (55, 39640391), (77, 28314565), (385, 5662913)]