201100225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7757}}^1$

素因数の和:7845

約数の個数: 24

約数和(自身を含む): 268395768

約数和(自身を除く): 67295543

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 1037, 1525, 5185, 7757, 25925, 38785, 131869, 193925, 473177, 659345, 2365885, 3296725, 8044009, 11829425, 40220045, 201100225]

約数ペア:

[(1, 201100225), (5, 40220045), (17, 11829425), (25, 8044009), (61, 3296725), (85, 2365885), (305, 659345), (425, 473177), (1037, 193925), (1525, 131869), (5185, 38785), (7757, 25925)]