28391275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6073}}^1$

素因数の和:6111

約数の個数: 24

約数和(自身を含む): 40671504

約数和(自身を除く): 12280229

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 6073, 30365, 66803, 103241, 151825, 334015, 516205, 1135651, 1670075, 2581025, 5678255, 28391275]

約数ペア:

[(1, 28391275), (5, 5678255), (11, 2581025), (17, 1670075), (25, 1135651), (55, 516205), (85, 334015), (187, 151825), (275, 103241), (425, 66803), (935, 30365), (4675, 6073)]