257588981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1\times {\mathrm{1193}}^1$

素因数の和:2200

約数の個数: 16

約数和(自身を含む): 294268464

約数和(自身を除く): 36679483

約数列:

[1, 13, 17, 221, 977, 1193, 12701, 15509, 16609, 20281, 215917, 263653, 1165561, 15152293, 19814537, 257588981]

約数ペア:

[(1, 257588981), (13, 19814537), (17, 15152293), (221, 1165561), (977, 263653), (1193, 215917), (12701, 20281), (15509, 16609)]