489742175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 678810720

約数和(自身を除く): 189068545

約数列:

[1, 5, 13, 25, 37, 65, 139, 185, 293, 325, 481, 695, 925, 1465, 1807, 2405, 3475, 3809, 5143, 7325, 9035, 10841, 12025, 19045, 25715, 40727, 45175, 54205, 66859, 95225, 128575, 140933, 203635, 271025, 334295, 529451, 704665, 1018175, 1506899, 1671475, 2647255, 3523325, 7534495, 13236275, 19589687, 37672475, 97948435, 489742175]

約数ペア:

[(1, 489742175), (5, 97948435), (13, 37672475), (25, 19589687), (37, 13236275), (65, 7534495), (139, 3523325), (185, 2647255), (293, 1671475), (325, 1506899), (481, 1018175), (695, 704665), (925, 529451), (1465, 334295), (1807, 271025), (2405, 203635), (3475, 140933), (3809, 128575), (5143, 95225), (7325, 66859), (9035, 54205), (10841, 45175), (12025, 40727), (19045, 25715)]