404386

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 16

約数和(自身を含む): 648000

約数和(自身を除く): 243614

約数列:

[1, 2, 23, 46, 59, 118, 149, 298, 1357, 2714, 3427, 6854, 8791, 17582, 202193, 404386]

約数ペア:

[(1, 404386), (2, 202193), (23, 17582), (46, 8791), (59, 6854), (118, 3427), (149, 2714), (298, 1357)]