28318284

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{2179}}^1$

素因数の和:2227

約数の個数: 54

約数和(自身を含む): 75582780

約数和(自身を除く): 47264496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 2166, 2179, 3249, 4332, 4358, 6498, 6537, 8716, 12996, 13074, 19611, 26148, 39222, 41401, 78444, 82802, 124203, 165604, 248406, 372609, 496812, 745218, 786619, 1490436, 1573238, 2359857, 3146476, 4719714, 7079571, 9439428, 14159142, 28318284]

約数ペア:

[(1, 28318284), (2, 14159142), (3, 9439428), (4, 7079571), (6, 4719714), (9, 3146476), (12, 2359857), (18, 1573238), (19, 1490436), (36, 786619), (38, 745218), (57, 496812), (76, 372609), (114, 248406), (171, 165604), (228, 124203), (342, 82802), (361, 78444), (684, 41401), (722, 39222), (1083, 26148), (1444, 19611), (2166, 13074), (2179, 12996), (3249, 8716), (4332, 6537), (4358, 6498)]