1678690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 3351600

約数和(自身を除く): 1672910

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 349, 370, 481, 698, 962, 1745, 2405, 3490, 4537, 4810, 9074, 12913, 22685, 25826, 45370, 64565, 129130, 167869, 335738, 839345, 1678690]

約数ペア:

[(1, 1678690), (2, 839345), (5, 335738), (10, 167869), (13, 129130), (26, 64565), (37, 45370), (65, 25826), (74, 22685), (130, 12913), (185, 9074), (349, 4810), (370, 4537), (481, 3490), (698, 2405), (962, 1745)]