81402838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{119359}}^1$

素因数の和:119403

約数の個数: 16

約数和(自身を含む): 137502720

約数和(自身を除く): 56099882

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 119359, 238718, 1312949, 2625898, 3700129, 7400258, 40701419, 81402838]

約数ペア:

[(1, 81402838), (2, 40701419), (11, 7400258), (22, 3700129), (31, 2625898), (62, 1312949), (341, 238718), (682, 119359)]