254202387

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{547}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 370360320

約数和(自身を除く): 116157933

約数列:

[1, 3, 19, 31, 57, 93, 263, 547, 589, 789, 1641, 1767, 4997, 8153, 10393, 14991, 16957, 24459, 31179, 50871, 143861, 154907, 322183, 431583, 464721, 966549, 2733359, 4459691, 8200077, 13379073, 84734129, 254202387]

約数ペア:

[(1, 254202387), (3, 84734129), (19, 13379073), (31, 8200077), (57, 4459691), (93, 2733359), (263, 966549), (547, 464721), (589, 431583), (789, 322183), (1641, 154907), (1767, 143861), (4997, 50871), (8153, 31179), (10393, 24459), (14991, 16957)]