85870525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 118463772

約数和(自身を除く): 32593247

約数列:

[1, 5, 13, 25, 37, 65, 185, 193, 325, 481, 925, 965, 1369, 2405, 2509, 4825, 6845, 7141, 12025, 12545, 17797, 34225, 35705, 62725, 88985, 92833, 178525, 264217, 444925, 464165, 1321085, 2320825, 3434821, 6605425, 17174105, 85870525]

約数ペア:

[(1, 85870525), (5, 17174105), (13, 6605425), (25, 3434821), (37, 2320825), (65, 1321085), (185, 464165), (193, 444925), (325, 264217), (481, 178525), (925, 92833), (965, 88985), (1369, 62725), (2405, 35705), (2509, 34225), (4825, 17797), (6845, 12545), (7141, 12025)]