81123838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{7229}}^1$

素因数の和:7443

約数の個数: 16

約数和(自身を含む): 126322560

約数和(自身を除く): 45198722

約数列:

[1, 2, 31, 62, 181, 362, 5611, 7229, 11222, 14458, 224099, 448198, 1308449, 2616898, 40561919, 81123838]

約数ペア:

[(1, 81123838), (2, 40561919), (31, 2616898), (62, 1308449), (181, 448198), (362, 224099), (5611, 14458), (7229, 11222)]