39872105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87631}}^1$

素因数の和:87656

約数の個数: 16

約数和(自身を含む): 58888704

約数和(自身を除く): 19016599

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 87631, 438155, 613417, 1139203, 3067085, 5696015, 7974421, 39872105]

約数ペア:

[(1, 39872105), (5, 7974421), (7, 5696015), (13, 3067085), (35, 1139203), (65, 613417), (91, 438155), (455, 87631)]