15890416

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{11159}}^1$

素因数の和:11256

約数の個数: 20

約数和(自身を含む): 31136400

約数和(自身を除く): 15245984

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 11159, 22318, 44636, 89272, 178544, 993151, 1986302, 3972604, 7945208, 15890416]

約数ペア:

[(1, 15890416), (2, 7945208), (4, 3972604), (8, 1986302), (16, 993151), (89, 178544), (178, 89272), (356, 44636), (712, 22318), (1424, 11159)]