489690454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1163}}^1\times {\mathrm{19139}}^1$

素因数の和:20315

約数の個数: 16

約数和(自身を含む): 802042560

約数和(自身を除く): 312352106

約数列:

[1, 2, 11, 22, 1163, 2326, 12793, 19139, 25586, 38278, 210529, 421058, 22258657, 44517314, 244845227, 489690454]

約数ペア:

[(1, 489690454), (2, 244845227), (11, 44517314), (22, 22258657), (1163, 421058), (2326, 210529), (12793, 38278), (19139, 25586)]