28740374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15569}}^1$

素因数の和:15655

約数の個数: 16

約数和(自身を含む): 47083680

約数和(自身を除く): 18343306

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 15569, 31138, 202397, 404794, 1105399, 2210798, 14370187, 28740374]

約数ペア:

[(1, 28740374), (2, 14370187), (13, 2210798), (26, 1105399), (71, 404794), (142, 202397), (923, 31138), (1846, 15569)]