16501465

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 21897216

約数和(自身を除く): 5395751

約数列:

[1, 5, 23, 43, 47, 71, 115, 215, 235, 355, 989, 1081, 1633, 2021, 3053, 3337, 4945, 5405, 8165, 10105, 15265, 16685, 46483, 70219, 76751, 143491, 232415, 351095, 383755, 717455, 3300293, 16501465]

約数ペア:

[(1, 16501465), (5, 3300293), (23, 717455), (43, 383755), (47, 351095), (71, 232415), (115, 143491), (215, 76751), (235, 70219), (355, 46483), (989, 16685), (1081, 15265), (1633, 10105), (2021, 8165), (3053, 5405), (3337, 4945)]