79997525

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 102445824

約数和(自身を除く): 22448299

約数列:

[1, 5, 25, 47, 103, 235, 515, 661, 1175, 2575, 3305, 4841, 16525, 24205, 31067, 68083, 121025, 155335, 340415, 776675, 1702075, 3199901, 15999505, 79997525]

約数ペア:

[(1, 79997525), (5, 15999505), (25, 3199901), (47, 1702075), (103, 776675), (235, 340415), (515, 155335), (661, 121025), (1175, 68083), (2575, 31067), (3305, 24205), (4841, 16525)]