28292796

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:440

約数の個数: 108

約数和(自身を含む): 85357272

約数和(自身を除く): 57064476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 63, 84, 86, 98, 126, 129, 147, 172, 196, 252, 258, 294, 301, 373, 387, 441, 516, 588, 602, 746, 774, 882, 903, 1119, 1204, 1492, 1548, 1764, 1806, 2107, 2238, 2611, 2709, 3357, 3612, 4214, 4476, 5222, 5418, 6321, 6714, 7833, 8428, 10444, 10836, 12642, 13428, 15666, 16039, 18277, 18963, 23499, 25284, 31332, 32078, 36554, 37926, 46998, 48117, 54831, 64156, 73108, 75852, 93996, 96234, 109662, 112273, 144351, 164493, 192468, 219324, 224546, 288702, 328986, 336819, 449092, 577404, 657972, 673638, 785911, 1010457, 1347276, 1571822, 2020914, 2357733, 3143644, 4041828, 4715466, 7073199, 9430932, 14146398, 28292796]

約数ペア:

[(1, 28292796), (2, 14146398), (3, 9430932), (4, 7073199), (6, 4715466), (7, 4041828), (9, 3143644), (12, 2357733), (14, 2020914), (18, 1571822), (21, 1347276), (28, 1010457), (36, 785911), (42, 673638), (43, 657972), (49, 577404), (63, 449092), (84, 336819), (86, 328986), (98, 288702), (126, 224546), (129, 219324), (147, 192468), (172, 164493), (196, 144351), (252, 112273), (258, 109662), (294, 96234), (301, 93996), (373, 75852), (387, 73108), (441, 64156), (516, 54831), (588, 48117), (602, 46998), (746, 37926), (774, 36554), (882, 32078), (903, 31332), (1119, 25284), (1204, 23499), (1492, 18963), (1548, 18277), (1764, 16039), (1806, 15666), (2107, 13428), (2238, 12642), (2611, 10836), (2709, 10444), (3357, 8428), (3612, 7833), (4214, 6714), (4476, 6321), (5222, 5418)]