287942764

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{2903}}^1$

素因数の和:3225

約数の個数: 24

約数和(自身を含む): 510558048

約数和(自身を除く): 222615284

約数列:

[1, 2, 4, 137, 181, 274, 362, 548, 724, 2903, 5806, 11612, 24797, 49594, 99188, 397711, 525443, 795422, 1050886, 1590844, 2101772, 71985691, 143971382, 287942764]

約数ペア:

[(1, 287942764), (2, 143971382), (4, 71985691), (137, 2101772), (181, 1590844), (274, 1050886), (362, 795422), (548, 525443), (724, 397711), (2903, 99188), (5806, 49594), (11612, 24797)]