208694015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{3067}}^1$

素因数の和:3542

約数の個数: 16

約数和(自身を含む): 259184640

約数和(自身を除く): 50490625

約数列:

[1, 5, 31, 155, 439, 2195, 3067, 13609, 15335, 68045, 95077, 475385, 1346413, 6732065, 41738803, 208694015]

約数ペア:

[(1, 208694015), (5, 41738803), (31, 6732065), (155, 1346413), (439, 475385), (2195, 95077), (3067, 68045), (13609, 15335)]