287740422

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{225149}}^1$

素因数の和:225228

約数の個数: 24

約数和(自身を含む): 632221200

約数和(自身を除く): 344480778

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 225149, 450298, 675447, 1350894, 2026341, 4052682, 15985579, 31971158, 47956737, 95913474, 143870211, 287740422]

約数ペア:

[(1, 287740422), (2, 143870211), (3, 95913474), (6, 47956737), (9, 31971158), (18, 15985579), (71, 4052682), (142, 2026341), (213, 1350894), (426, 675447), (639, 450298), (1278, 225149)]