68722925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1601}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 91179432

約数和(自身を除く): 22456507

約数列:

[1, 5, 17, 25, 85, 101, 425, 505, 1601, 1717, 2525, 8005, 8585, 27217, 40025, 42925, 136085, 161701, 680425, 808505, 2748917, 4042525, 13744585, 68722925]

約数ペア:

[(1, 68722925), (5, 13744585), (17, 4042525), (25, 2748917), (85, 808505), (101, 680425), (425, 161701), (505, 136085), (1601, 42925), (1717, 40025), (2525, 27217), (8005, 8585)]