188354725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 255852300

約数和(自身を除く): 67497575

約数列:

[1, 5, 13, 25, 65, 109, 169, 325, 409, 545, 845, 1417, 2045, 2725, 4225, 5317, 7085, 10225, 18421, 26585, 35425, 44581, 69121, 92105, 132925, 222905, 345605, 460525, 579553, 1114525, 1728025, 2897765, 7534189, 14488825, 37670945, 188354725]

約数ペア:

[(1, 188354725), (5, 37670945), (13, 14488825), (25, 7534189), (65, 2897765), (109, 1728025), (169, 1114525), (325, 579553), (409, 460525), (545, 345605), (845, 222905), (1417, 132925), (2045, 92105), (2725, 69121), (4225, 44581), (5317, 35425), (7085, 26585), (10225, 18421)]