864994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 1572480

約数和(自身を除く): 707486

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 103, 206, 221, 247, 323, 442, 494, 646, 1339, 1751, 1957, 2678, 3502, 3914, 4199, 8398, 22763, 25441, 33269, 45526, 50882, 66538, 432497, 864994]

約数ペア:

[(1, 864994), (2, 432497), (13, 66538), (17, 50882), (19, 45526), (26, 33269), (34, 25441), (38, 22763), (103, 8398), (206, 4199), (221, 3914), (247, 3502), (323, 2678), (442, 1957), (494, 1751), (646, 1339)]