16398425

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 22677120

約数和(自身を除く): 6278695

約数列:

[1, 5, 19, 23, 25, 79, 95, 115, 361, 395, 437, 475, 575, 1501, 1805, 1817, 1975, 2185, 7505, 8303, 9025, 9085, 10925, 28519, 34523, 37525, 41515, 45425, 142595, 172615, 207575, 655937, 712975, 863075, 3279685, 16398425]

約数ペア:

[(1, 16398425), (5, 3279685), (19, 863075), (23, 712975), (25, 655937), (79, 207575), (95, 172615), (115, 142595), (361, 45425), (395, 41515), (437, 37525), (475, 34523), (575, 28519), (1501, 10925), (1805, 9085), (1817, 9025), (1975, 8303), (2185, 7505)]