28284228

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{4157}}^1$

素因数の和:4183

約数の個数: 72

約数和(自身を含む): 84756672

約数和(自身を除く): 56472444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 4157, 6804, 8314, 12471, 16628, 24942, 29099, 37413, 49884, 58198, 74826, 87297, 112239, 116396, 149652, 174594, 224478, 261891, 336717, 349188, 448956, 523782, 673434, 785673, 1010151, 1047564, 1346868, 1571346, 2020302, 2357019, 3142692, 4040604, 4714038, 7071057, 9428076, 14142114, 28284228]

約数ペア:

[(1, 28284228), (2, 14142114), (3, 9428076), (4, 7071057), (6, 4714038), (7, 4040604), (9, 3142692), (12, 2357019), (14, 2020302), (18, 1571346), (21, 1346868), (27, 1047564), (28, 1010151), (36, 785673), (42, 673434), (54, 523782), (63, 448956), (81, 349188), (84, 336717), (108, 261891), (126, 224478), (162, 174594), (189, 149652), (243, 116396), (252, 112239), (324, 87297), (378, 74826), (486, 58198), (567, 49884), (756, 37413), (972, 29099), (1134, 24942), (1701, 16628), (2268, 12471), (3402, 8314), (4157, 6804)]