78738010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4421}}^1$

素因数の和:4578

約数の個数: 32

約数和(自身を含む): 153779472

約数和(自身を除く): 75041462

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1781, 3562, 4421, 8842, 8905, 17810, 22105, 44210, 57473, 114946, 287365, 574730, 605677, 1211354, 3028385, 6056770, 7873801, 15747602, 39369005, 78738010]

約数ペア:

[(1, 78738010), (2, 39369005), (5, 15747602), (10, 7873801), (13, 6056770), (26, 3028385), (65, 1211354), (130, 605677), (137, 574730), (274, 287365), (685, 114946), (1370, 57473), (1781, 44210), (3562, 22105), (4421, 17810), (8842, 8905)]