220572

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:578

約数の個数: 36

約数和(自身を含む): 609336

約数和(自身を除く): 388764

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 557, 1114, 1671, 2228, 3342, 5013, 6127, 6684, 10026, 12254, 18381, 20052, 24508, 36762, 55143, 73524, 110286, 220572]

約数ペア:

[(1, 220572), (2, 110286), (3, 73524), (4, 55143), (6, 36762), (9, 24508), (11, 20052), (12, 18381), (18, 12254), (22, 10026), (33, 6684), (36, 6127), (44, 5013), (66, 3342), (99, 2228), (132, 1671), (198, 1114), (396, 557)]