128802778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{673}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 221142096

約数和(自身を除く): 92339318

約数列:

[1, 2, 13, 17, 26, 34, 221, 433, 442, 673, 866, 1346, 5629, 7361, 8749, 11258, 11441, 14722, 17498, 22882, 95693, 148733, 191386, 291409, 297466, 582818, 3788317, 4953953, 7576634, 9907906, 64401389, 128802778]

約数ペア:

[(1, 128802778), (2, 64401389), (13, 9907906), (17, 7576634), (26, 4953953), (34, 3788317), (221, 582818), (433, 297466), (442, 291409), (673, 191386), (866, 148733), (1346, 95693), (5629, 22882), (7361, 17498), (8749, 14722), (11258, 11441)]