128259575

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{443}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 164232048

約数和(自身を除く): 35972473

約数列:

[1, 5, 25, 37, 185, 313, 443, 925, 1565, 2215, 7825, 11075, 11581, 16391, 57905, 81955, 138659, 289525, 409775, 693295, 3466475, 5130383, 25651915, 128259575]

約数ペア:

[(1, 128259575), (5, 25651915), (25, 5130383), (37, 3466475), (185, 693295), (313, 409775), (443, 289525), (925, 138659), (1565, 81955), (2215, 57905), (7825, 16391), (11075, 11581)]