15561212

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 27871200

約数和(自身を除く): 12309988

約数列:

[1, 2, 4, 71, 142, 157, 284, 314, 349, 628, 698, 1396, 11147, 22294, 24779, 44588, 49558, 54793, 99116, 109586, 219172, 3890303, 7780606, 15561212]

約数ペア:

[(1, 15561212), (2, 7780606), (4, 3890303), (71, 219172), (142, 109586), (157, 99116), (284, 54793), (314, 49558), (349, 44588), (628, 24779), (698, 22294), (1396, 11147)]