28357272

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1091}}^1$

素因数の和:1141

約数の個数: 72

約数和(自身を含む): 81130140

約数和(自身を除く): 52772868

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 1083, 1091, 1368, 1444, 2166, 2182, 2888, 3249, 3273, 4332, 4364, 6498, 6546, 8664, 8728, 9819, 12996, 13092, 19638, 20729, 25992, 26184, 39276, 41458, 62187, 78552, 82916, 124374, 165832, 186561, 248748, 373122, 393851, 497496, 746244, 787702, 1181553, 1492488, 1575404, 2363106, 3150808, 3544659, 4726212, 7089318, 9452424, 14178636, 28357272]

約数ペア:

[(1, 28357272), (2, 14178636), (3, 9452424), (4, 7089318), (6, 4726212), (8, 3544659), (9, 3150808), (12, 2363106), (18, 1575404), (19, 1492488), (24, 1181553), (36, 787702), (38, 746244), (57, 497496), (72, 393851), (76, 373122), (114, 248748), (152, 186561), (171, 165832), (228, 124374), (342, 82916), (361, 78552), (456, 62187), (684, 41458), (722, 39276), (1083, 26184), (1091, 25992), (1368, 20729), (1444, 19638), (2166, 13092), (2182, 12996), (2888, 9819), (3249, 8728), (3273, 8664), (4332, 6546), (4364, 6498)]