81866290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{744239}}^1$

素因数の和:744257

約数の個数: 16

約数和(自身を含む): 160755840

約数和(自身を除く): 78889550

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 744239, 1488478, 3721195, 7442390, 8186629, 16373258, 40933145, 81866290]

約数ペア:

[(1, 81866290), (2, 40933145), (5, 16373258), (10, 8186629), (11, 7442390), (22, 3721195), (55, 1488478), (110, 744239)]