28158228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5881}}^1$

素因数の和:5917

約数の個数: 72

約数和(自身を含む): 85641920

約数和(自身を除く): 57483692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 5881, 11762, 17643, 23524, 35286, 41167, 52929, 70572, 82334, 105858, 111739, 123501, 164668, 211716, 223478, 247002, 335217, 370503, 446956, 494004, 670434, 741006, 782173, 1005651, 1340868, 1482012, 1564346, 2011302, 2346519, 3128692, 4022604, 4693038, 7039557, 9386076, 14079114, 28158228]

約数ペア:

[(1, 28158228), (2, 14079114), (3, 9386076), (4, 7039557), (6, 4693038), (7, 4022604), (9, 3128692), (12, 2346519), (14, 2011302), (18, 1564346), (19, 1482012), (21, 1340868), (28, 1005651), (36, 782173), (38, 741006), (42, 670434), (57, 494004), (63, 446956), (76, 370503), (84, 335217), (114, 247002), (126, 223478), (133, 211716), (171, 164668), (228, 123501), (252, 111739), (266, 105858), (342, 82334), (399, 70572), (532, 52929), (684, 41167), (798, 35286), (1197, 23524), (1596, 17643), (2394, 11762), (4788, 5881)]