487825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:121

約数の個数: 24

約数和(自身を含む): 694400

約数和(自身を除く): 206575

約数列:

[1, 5, 13, 19, 25, 65, 79, 95, 247, 325, 395, 475, 1027, 1235, 1501, 1975, 5135, 6175, 7505, 19513, 25675, 37525, 97565, 487825]

約数ペア:

[(1, 487825), (5, 97565), (13, 37525), (19, 25675), (25, 19513), (65, 7505), (79, 6175), (95, 5135), (247, 1975), (325, 1501), (395, 1235), (475, 1027)]