261617194

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{15541}}^1$

素因数の和:16005

約数の個数: 16

約数和(自身を含む): 414038880

約数和(自身を除く): 152421686

約数列:

[1, 2, 19, 38, 443, 886, 8417, 15541, 16834, 31082, 295279, 590558, 6884663, 13769326, 130808597, 261617194]

約数ペア:

[(1, 261617194), (2, 130808597), (19, 13769326), (38, 6884663), (443, 590558), (886, 295279), (8417, 31082), (15541, 16834)]