845648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{3109}}^1$

素因数の和:3134

約数の個数: 20

約数和(自身を含む): 1735380

約数和(自身を除く): 889732

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 3109, 6218, 12436, 24872, 49744, 52853, 105706, 211412, 422824, 845648]

約数ペア:

[(1, 845648), (2, 422824), (4, 211412), (8, 105706), (16, 52853), (17, 49744), (34, 24872), (68, 12436), (136, 6218), (272, 3109)]