81103874

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{4261}}^1$

素因数の和:4601

約数の個数: 16

約数和(自身を含む): 126018816

約数和(自身を除く): 44914942

約数列:

[1, 2, 31, 62, 307, 614, 4261, 8522, 9517, 19034, 132091, 264182, 1308127, 2616254, 40551937, 81103874]

約数ペア:

[(1, 81103874), (2, 40551937), (31, 2616254), (62, 1308127), (307, 264182), (614, 132091), (4261, 19034), (8522, 9517)]