212738405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{9743}}^1$

素因数の和:10156

約数の個数: 16

約数和(自身を含む): 279224064

約数和(自身を除く): 66485659

約数列:

[1, 5, 11, 55, 397, 1985, 4367, 9743, 21835, 48715, 107173, 535865, 3867971, 19339855, 42547681, 212738405]

約数ペア:

[(1, 212738405), (5, 42547681), (11, 19339855), (55, 3867971), (397, 535865), (1985, 107173), (4367, 48715), (9743, 21835)]