289163939

素因数分解:

${\mathrm{31}}^2\times {\mathrm{41}}^2\times {\mathrm{179}}^1$

素因数の和:323

約数の個数: 18

約数和(自身を含む): 307969020

約数和(自身を除く): 18805081

約数列:

[1, 31, 41, 179, 961, 1271, 1681, 5549, 7339, 39401, 52111, 172019, 227509, 300899, 1615441, 7052779, 9327869, 289163939]

約数ペア:

[(1, 289163939), (31, 9327869), (41, 7052779), (179, 1615441), (961, 300899), (1271, 227509), (1681, 172019), (5549, 52111), (7339, 39401)]