28840525

素因数分解:

$5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1699}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 41316800

約数和(自身を除く): 12476275

約数列:

[1, 5, 7, 25, 35, 97, 175, 485, 679, 1699, 2425, 3395, 8495, 11893, 16975, 42475, 59465, 164803, 297325, 824015, 1153621, 4120075, 5768105, 28840525]

約数ペア:

[(1, 28840525), (5, 5768105), (7, 4120075), (25, 1153621), (35, 824015), (97, 297325), (175, 164803), (485, 59465), (679, 42475), (1699, 16975), (2425, 11893), (3395, 8495)]