28456144

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{17609}}^1$

素因数の和:17718

約数の個数: 20

約数和(自身を含む): 55682820

約数和(自身を除く): 27226676

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 17609, 35218, 70436, 140872, 281744, 1778509, 3557018, 7114036, 14228072, 28456144]

約数ペア:

[(1, 28456144), (2, 14228072), (4, 7114036), (8, 3557018), (16, 1778509), (101, 281744), (202, 140872), (404, 70436), (808, 35218), (1616, 17609)]