1221554876

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{9851249}}^1$

素因数の和:9851284

約数の個数: 12

約数和(自身を含む): 2206680000

約数和(自身を除く): 985125124

約数列:

[1, 2, 4, 31, 62, 124, 9851249, 19702498, 39404996, 305388719, 610777438, 1221554876]

約数ペア:

[(1, 1221554876), (2, 610777438), (4, 305388719), (31, 39404996), (62, 19702498), (124, 9851249)]