258792317

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{20899}}^1$

素因数の和:20996

約数の個数: 16

約数和(自身を含む): 310992000

約数和(自身を除く): 52199683

約数列:

[1, 7, 29, 61, 203, 427, 1769, 12383, 20899, 146293, 606071, 1274839, 4242497, 8923873, 36970331, 258792317]

約数ペア:

[(1, 258792317), (7, 36970331), (29, 8923873), (61, 4242497), (203, 1274839), (427, 606071), (1769, 146293), (12383, 20899)]