28276916

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 53561676

約数和(自身を除く): 25284760

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 289, 401, 578, 802, 1037, 1156, 1604, 2074, 4148, 6817, 13634, 17629, 24461, 27268, 35258, 48922, 70516, 97844, 115889, 231778, 415837, 463556, 831674, 1663348, 7069229, 14138458, 28276916]

約数ペア:

[(1, 28276916), (2, 14138458), (4, 7069229), (17, 1663348), (34, 831674), (61, 463556), (68, 415837), (122, 231778), (244, 115889), (289, 97844), (401, 70516), (578, 48922), (802, 35258), (1037, 27268), (1156, 24461), (1604, 17629), (2074, 13634), (4148, 6817)]