28259290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{91159}}^1$

素因数の和:91197

約数の個数: 16

約数和(自身を含む): 52508160

約数和(自身を除く): 24248870

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 91159, 182318, 455795, 911590, 2825929, 5651858, 14129645, 28259290]

約数ペア:

[(1, 28259290), (2, 14129645), (5, 5651858), (10, 2825929), (31, 911590), (62, 455795), (155, 182318), (310, 91159)]