289451372

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{21227}}^1$

素因数の和:21725

約数の個数: 24

約数和(自身を含む): 580118784

約数和(自身を除く): 290667412

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1948, 3409, 6818, 13636, 21227, 42454, 84908, 148589, 297178, 594356, 10337549, 20675098, 41350196, 72362843, 144725686, 289451372]

約数ペア:

[(1, 289451372), (2, 144725686), (4, 72362843), (7, 41350196), (14, 20675098), (28, 10337549), (487, 594356), (974, 297178), (1948, 148589), (3409, 84908), (6818, 42454), (13636, 21227)]