1969585

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 2483712

約数和(自身を除く): 514127

約数列:

[1, 5, 31, 97, 131, 155, 485, 655, 3007, 4061, 12707, 15035, 20305, 63535, 393917, 1969585]

約数ペア:

[(1, 1969585), (5, 393917), (31, 63535), (97, 20305), (131, 15035), (155, 12707), (485, 4061), (655, 3007)]