239690015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{7691}}^1$

素因数の和:7990

約数の個数: 16

約数和(自身を含む): 301280256

約数和(自身を除く): 61590241

約数列:

[1, 5, 23, 115, 271, 1355, 6233, 7691, 31165, 38455, 176893, 884465, 2084261, 10421305, 47938003, 239690015]

約数ペア:

[(1, 239690015), (5, 47938003), (23, 10421305), (115, 2084261), (271, 884465), (1355, 176893), (6233, 38455), (7691, 31165)]