207430025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1321}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 281300448

約数和(自身を除く): 73870423

約数列:

[1, 5, 11, 25, 55, 275, 571, 1321, 2855, 6281, 6605, 14275, 14531, 31405, 33025, 72655, 157025, 363275, 754291, 3771455, 8297201, 18857275, 41486005, 207430025]

約数ペア:

[(1, 207430025), (5, 41486005), (11, 18857275), (25, 8297201), (55, 3771455), (275, 754291), (571, 363275), (1321, 157025), (2855, 72655), (6281, 33025), (6605, 31405), (14275, 14531)]