1087684

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1609}}^1$

素因数の和:1639

約数の個数: 18

約数和(自身を含む): 2062410

約数和(自身を除く): 974726

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1609, 3218, 6436, 20917, 41834, 83668, 271921, 543842, 1087684]

約数ペア:

[(1, 1087684), (2, 543842), (4, 271921), (13, 83668), (26, 41834), (52, 20917), (169, 6436), (338, 3218), (676, 1609)]