7873390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 16334784

約数和(自身を除く): 8461394

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 821, 959, 1370, 1642, 1918, 4105, 4795, 5747, 8210, 9590, 11494, 28735, 57470, 112477, 224954, 562385, 787339, 1124770, 1574678, 3936695, 7873390]

約数ペア:

[(1, 7873390), (2, 3936695), (5, 1574678), (7, 1124770), (10, 787339), (14, 562385), (35, 224954), (70, 112477), (137, 57470), (274, 28735), (685, 11494), (821, 9590), (959, 8210), (1370, 5747), (1642, 4795), (1918, 4105)]