86904025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:410

約数の個数: 36

約数和(自身を含む): 118815312

約数和(自身を除く): 31911287

約数列:

[1, 5, 13, 25, 65, 67, 169, 307, 325, 335, 845, 871, 1535, 1675, 3991, 4225, 4355, 7675, 11323, 19955, 20569, 21775, 51883, 56615, 99775, 102845, 259415, 267397, 283075, 514225, 1297075, 1336985, 3476161, 6684925, 17380805, 86904025]

約数ペア:

[(1, 86904025), (5, 17380805), (13, 6684925), (25, 3476161), (65, 1336985), (67, 1297075), (169, 514225), (307, 283075), (325, 267397), (335, 259415), (845, 102845), (871, 99775), (1535, 56615), (1675, 51883), (3991, 21775), (4225, 20569), (4355, 19955), (7675, 11323)]