208335218

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{2719}}^1$

素因数の和:3162

約数の個数: 32

約数和(自身を含む): 385674240

約数和(自身を除く): 177339022

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 421, 842, 2719, 2947, 5438, 5473, 5894, 10946, 19033, 35347, 38066, 38311, 70694, 76622, 247429, 494858, 1144699, 2289398, 8012893, 14881087, 16025786, 29762174, 104167609, 208335218]

約数ペア:

[(1, 208335218), (2, 104167609), (7, 29762174), (13, 16025786), (14, 14881087), (26, 8012893), (91, 2289398), (182, 1144699), (421, 494858), (842, 247429), (2719, 76622), (2947, 70694), (5438, 38311), (5473, 38066), (5894, 35347), (10946, 19033)]