28706868

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 77575680

約数和(自身を除く): 48868812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 58, 62, 87, 93, 116, 124, 174, 186, 261, 279, 348, 372, 522, 558, 887, 899, 1044, 1116, 1774, 1798, 2661, 2697, 3548, 3596, 5322, 5394, 7983, 8091, 10644, 10788, 15966, 16182, 25723, 27497, 31932, 32364, 51446, 54994, 77169, 82491, 102892, 109988, 154338, 164982, 231507, 247473, 308676, 329964, 463014, 494946, 797413, 926028, 989892, 1594826, 2392239, 3189652, 4784478, 7176717, 9568956, 14353434, 28706868]

約数ペア:

[(1, 28706868), (2, 14353434), (3, 9568956), (4, 7176717), (6, 4784478), (9, 3189652), (12, 2392239), (18, 1594826), (29, 989892), (31, 926028), (36, 797413), (58, 494946), (62, 463014), (87, 329964), (93, 308676), (116, 247473), (124, 231507), (174, 164982), (186, 154338), (261, 109988), (279, 102892), (348, 82491), (372, 77169), (522, 54994), (558, 51446), (887, 32364), (899, 31932), (1044, 27497), (1116, 25723), (1774, 16182), (1798, 15966), (2661, 10788), (2697, 10644), (3548, 8091), (3596, 7983), (5322, 5394)]