28349748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 89456640

約数和(自身を除く): 61106892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 31, 36, 38, 42, 57, 62, 63, 76, 84, 93, 114, 124, 126, 133, 171, 186, 191, 217, 228, 252, 266, 279, 342, 372, 382, 399, 434, 532, 558, 573, 589, 651, 684, 764, 798, 868, 1116, 1146, 1178, 1197, 1302, 1337, 1596, 1719, 1767, 1953, 2292, 2356, 2394, 2604, 2674, 3438, 3534, 3629, 3906, 4011, 4123, 4788, 5301, 5348, 5921, 6876, 7068, 7258, 7812, 8022, 8246, 10602, 10887, 11842, 12033, 12369, 14516, 16044, 16492, 17763, 21204, 21774, 23684, 24066, 24738, 25403, 32661, 35526, 37107, 41447, 43548, 48132, 49476, 50806, 53289, 65322, 71052, 74214, 76209, 82894, 101612, 106578, 112499, 124341, 130644, 148428, 152418, 165788, 213156, 224998, 228627, 248682, 304836, 337497, 373023, 449996, 457254, 497364, 674994, 746046, 787493, 914508, 1012491, 1349988, 1492092, 1574986, 2024982, 2362479, 3149972, 4049964, 4724958, 7087437, 9449916, 14174874, 28349748]

約数ペア:

[(1, 28349748), (2, 14174874), (3, 9449916), (4, 7087437), (6, 4724958), (7, 4049964), (9, 3149972), (12, 2362479), (14, 2024982), (18, 1574986), (19, 1492092), (21, 1349988), (28, 1012491), (31, 914508), (36, 787493), (38, 746046), (42, 674994), (57, 497364), (62, 457254), (63, 449996), (76, 373023), (84, 337497), (93, 304836), (114, 248682), (124, 228627), (126, 224998), (133, 213156), (171, 165788), (186, 152418), (191, 148428), (217, 130644), (228, 124341), (252, 112499), (266, 106578), (279, 101612), (342, 82894), (372, 76209), (382, 74214), (399, 71052), (434, 65322), (532, 53289), (558, 50806), (573, 49476), (589, 48132), (651, 43548), (684, 41447), (764, 37107), (798, 35526), (868, 32661), (1116, 25403), (1146, 24738), (1178, 24066), (1197, 23684), (1302, 21774), (1337, 21204), (1596, 17763), (1719, 16492), (1767, 16044), (1953, 14516), (2292, 12369), (2356, 12033), (2394, 11842), (2604, 10887), (2674, 10602), (3438, 8246), (3534, 8022), (3629, 7812), (3906, 7258), (4011, 7068), (4123, 6876), (4788, 5921), (5301, 5348)]