2642172865

素因数分解:

$5^1\times {\mathrm{197}}^1\times {\mathrm{1289}}^1\times {\mathrm{2081}}^1$

素因数の和:3572

約数の個数: 16

約数和(自身を含む): 3190706640

約数和(自身を除く): 548533775

約数列:

[1, 5, 197, 985, 1289, 2081, 6445, 10405, 253933, 409957, 1269665, 2049785, 2682409, 13412045, 528434573, 2642172865]

約数ペア:

[(1, 2642172865), (5, 528434573), (197, 13412045), (985, 2682409), (1289, 2049785), (2081, 1269665), (6445, 409957), (10405, 253933)]