40000289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4211}}^1$

素因数の和:4300

約数の個数: 16

約数和(自身を含む): 48522240

約数和(自身を除く): 8521951

約数列:

[1, 7, 23, 59, 161, 413, 1357, 4211, 9499, 29477, 96853, 248449, 677971, 1739143, 5714327, 40000289]

約数ペア:

[(1, 40000289), (7, 5714327), (23, 1739143), (59, 677971), (161, 248449), (413, 96853), (1357, 29477), (4211, 9499)]