28104275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 37375584

約数和(自身を除く): 9271309

約数列:

[1, 5, 23, 25, 37, 115, 185, 575, 851, 925, 1321, 4255, 6605, 21275, 30383, 33025, 48877, 151915, 244385, 759575, 1124171, 1221925, 5620855, 28104275]

約数ペア:

[(1, 28104275), (5, 5620855), (23, 1221925), (25, 1124171), (37, 759575), (115, 244385), (185, 151915), (575, 48877), (851, 33025), (925, 30383), (1321, 21275), (4255, 6605)]