1990247

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 16

約数和(自身を含む): 2380800

約数和(自身を除く): 390553

約数列:

[1, 7, 59, 61, 79, 413, 427, 553, 3599, 4661, 4819, 25193, 32627, 33733, 284321, 1990247]

約数ペア:

[(1, 1990247), (7, 284321), (59, 33733), (61, 32627), (79, 25193), (413, 4819), (427, 4661), (553, 3599)]