28385990

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{19051}}^1$

素因数の和:19207

約数の個数: 16

約数和(自身を含む): 51440400

約数和(自身を除く): 23054410

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 19051, 38102, 95255, 190510, 2838599, 5677198, 14192995, 28385990]

約数ペア:

[(1, 28385990), (2, 14192995), (5, 5677198), (10, 2838599), (149, 190510), (298, 95255), (745, 38102), (1490, 19051)]