197172625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1906

約数の個数: 32

約数和(自身を含む): 269103744

約数和(自身を除く): 71931119

約数列:

[1, 5, 13, 25, 65, 67, 125, 325, 335, 871, 1625, 1675, 1811, 4355, 8375, 9055, 21775, 23543, 45275, 108875, 117715, 121337, 226375, 588575, 606685, 1577381, 2942875, 3033425, 7886905, 15167125, 39434525, 197172625]

約数ペア:

[(1, 197172625), (5, 39434525), (13, 15167125), (25, 7886905), (65, 3033425), (67, 2942875), (125, 1577381), (325, 606685), (335, 588575), (871, 226375), (1625, 121337), (1675, 117715), (1811, 108875), (4355, 45275), (8375, 23543), (9055, 21775)]