28842156

素因数分解:

$2^2\times 3^8\times 7^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 108

約数和(自身を含む): 87073168

約数和(自身を除く): 58231012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 157, 162, 189, 243, 252, 314, 324, 378, 471, 486, 567, 628, 729, 756, 942, 972, 1099, 1134, 1413, 1458, 1701, 1884, 2187, 2198, 2268, 2826, 2916, 3297, 3402, 4239, 4374, 4396, 5103, 5652, 6561, 6594, 6804, 8478, 8748, 9891, 10206, 12717, 13122, 13188, 15309, 16956, 19782, 20412, 25434, 26244, 29673, 30618, 38151, 39564, 45927, 50868, 59346, 61236, 76302, 89019, 91854, 114453, 118692, 152604, 178038, 183708, 228906, 267057, 343359, 356076, 457812, 534114, 686718, 801171, 1030077, 1068228, 1373436, 1602342, 2060154, 2403513, 3204684, 4120308, 4807026, 7210539, 9614052, 14421078, 28842156]

約数ペア:

[(1, 28842156), (2, 14421078), (3, 9614052), (4, 7210539), (6, 4807026), (7, 4120308), (9, 3204684), (12, 2403513), (14, 2060154), (18, 1602342), (21, 1373436), (27, 1068228), (28, 1030077), (36, 801171), (42, 686718), (54, 534114), (63, 457812), (81, 356076), (84, 343359), (108, 267057), (126, 228906), (157, 183708), (162, 178038), (189, 152604), (243, 118692), (252, 114453), (314, 91854), (324, 89019), (378, 76302), (471, 61236), (486, 59346), (567, 50868), (628, 45927), (729, 39564), (756, 38151), (942, 30618), (972, 29673), (1099, 26244), (1134, 25434), (1413, 20412), (1458, 19782), (1701, 16956), (1884, 15309), (2187, 13188), (2198, 13122), (2268, 12717), (2826, 10206), (2916, 9891), (3297, 8748), (3402, 8478), (4239, 6804), (4374, 6594), (4396, 6561), (5103, 5652)]