281989744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{4649}}^1$

素因数の和:4897

約数の個数: 40

約数和(自身を含む): 581212800

約数和(自身を除く): 299223056

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 223, 272, 446, 892, 1784, 3568, 3791, 4649, 7582, 9298, 15164, 18596, 30328, 37192, 60656, 74384, 79033, 158066, 316132, 632264, 1036727, 1264528, 2073454, 4146908, 8293816, 16587632, 17624359, 35248718, 70497436, 140994872, 281989744]

約数ペア:

[(1, 281989744), (2, 140994872), (4, 70497436), (8, 35248718), (16, 17624359), (17, 16587632), (34, 8293816), (68, 4146908), (136, 2073454), (223, 1264528), (272, 1036727), (446, 632264), (892, 316132), (1784, 158066), (3568, 79033), (3791, 74384), (4649, 60656), (7582, 37192), (9298, 30328), (15164, 18596)]