2581211536

素因数分解:

$2^4\times {\mathrm{4261}}^1\times {\mathrm{37861}}^1$

素因数の和:42130

約数の個数: 20

約数和(自身を含む): 5002403164

約数和(自身を除く): 2421191628

約数列:

[1, 2, 4, 8, 16, 4261, 8522, 17044, 34088, 37861, 68176, 75722, 151444, 302888, 605776, 161325721, 322651442, 645302884, 1290605768, 2581211536]

約数ペア:

[(1, 2581211536), (2, 1290605768), (4, 645302884), (8, 322651442), (16, 161325721), (4261, 605776), (8522, 302888), (17044, 151444), (34088, 75722), (37861, 68176)]