253162855

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 338184000

約数和(自身を除く): 85021145

約数列:

[1, 5, 11, 55, 109, 121, 349, 545, 605, 1199, 1331, 1745, 3839, 5995, 6655, 13189, 19195, 38041, 42229, 65945, 145079, 190205, 211145, 418451, 464519, 725395, 2092255, 2322595, 4602961, 23014805, 50632571, 253162855]

約数ペア:

[(1, 253162855), (5, 50632571), (11, 23014805), (55, 4602961), (109, 2322595), (121, 2092255), (349, 725395), (545, 464519), (605, 418451), (1199, 211145), (1331, 190205), (1745, 145079), (3839, 65945), (5995, 42229), (6655, 38041), (13189, 19195)]