28385525

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8537}}^1$

素因数の和:8573

約数の個数: 24

約数和(自身を含む): 42348480

約数和(自身を除く): 13962955

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 8537, 42685, 59759, 162203, 213425, 298795, 811015, 1135421, 1493975, 4055075, 5677105, 28385525]

約数ペア:

[(1, 28385525), (5, 5677105), (7, 4055075), (19, 1493975), (25, 1135421), (35, 811015), (95, 298795), (133, 213425), (175, 162203), (475, 59759), (665, 42685), (3325, 8537)]