42784105

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 68544000

約数和(自身を除く): 25759895

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 101, 133, 245, 247, 343, 455, 505, 637, 665, 707, 931, 1235, 1313, 1715, 1729, 1919, 3185, 3535, 4459, 4655, 4949, 6517, 6565, 8645, 9191, 9595, 12103, 13433, 22295, 24745, 24947, 32585, 34643, 45955, 60515, 64337, 67165, 84721, 94031, 124735, 173215, 174629, 321685, 423605, 450359, 470155, 658217, 873145, 1222403, 2251795, 3291085, 6112015, 8556821, 42784105]

約数ペア:

[(1, 42784105), (5, 8556821), (7, 6112015), (13, 3291085), (19, 2251795), (35, 1222403), (49, 873145), (65, 658217), (91, 470155), (95, 450359), (101, 423605), (133, 321685), (245, 174629), (247, 173215), (343, 124735), (455, 94031), (505, 84721), (637, 67165), (665, 64337), (707, 60515), (931, 45955), (1235, 34643), (1313, 32585), (1715, 24947), (1729, 24745), (1919, 22295), (3185, 13433), (3535, 12103), (4459, 9595), (4655, 9191), (4949, 8645), (6517, 6565)]