258147678385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{398029}}^1\times {\mathrm{6827}}^1$

素因数の和:404880

約数の個数: 16

約数和(自身を含む): 326129860800

約数和(自身を除く): 67982182415

約数列:

[1, 5, 19, 95, 6827, 34135, 129713, 398029, 648565, 1990145, 7562551, 37812755, 2717343983, 13586719915, 51629535677, 258147678385]

約数ペア:

[(1, 258147678385), (5, 51629535677), (19, 13586719915), (95, 2717343983), (6827, 37812755), (34135, 7562551), (129713, 1990145), (398029, 648565)]