78785005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 107251200

約数和(自身を除く): 28466195

約数列:

[1, 5, 13, 23, 65, 115, 151, 299, 349, 755, 1495, 1745, 1963, 3473, 4537, 8027, 9815, 17365, 22685, 40135, 45149, 52699, 104351, 225745, 263495, 521755, 685087, 1212077, 3425435, 6060385, 15757001, 78785005]

約数ペア:

[(1, 78785005), (5, 15757001), (13, 6060385), (23, 3425435), (65, 1212077), (115, 685087), (151, 521755), (299, 263495), (349, 225745), (755, 104351), (1495, 52699), (1745, 45149), (1963, 40135), (3473, 22685), (4537, 17365), (8027, 9815)]