290624282

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{977}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 498334032

約数和(自身を除く): 207709750

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 673, 977, 1346, 1954, 8749, 11441, 12701, 16609, 17498, 22882, 25402, 33218, 148733, 215917, 297466, 431834, 657521, 1315042, 8547773, 11177857, 17095546, 22355714, 145312141, 290624282]

約数ペア:

[(1, 290624282), (2, 145312141), (13, 22355714), (17, 17095546), (26, 11177857), (34, 8547773), (221, 1315042), (442, 657521), (673, 431834), (977, 297466), (1346, 215917), (1954, 148733), (8749, 33218), (11441, 25402), (12701, 22882), (16609, 17498)]