28447902

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 80870400

約数和(自身を除く): 52422498

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 27, 34, 38, 42, 51, 54, 57, 63, 102, 114, 119, 126, 133, 153, 171, 189, 233, 238, 266, 306, 323, 342, 357, 378, 399, 459, 466, 513, 646, 699, 714, 798, 918, 969, 1026, 1071, 1197, 1398, 1631, 1938, 2097, 2142, 2261, 2394, 2907, 3213, 3262, 3591, 3961, 4194, 4427, 4522, 4893, 5814, 6291, 6426, 6783, 7182, 7922, 8721, 8854, 9786, 11883, 12582, 13281, 13566, 14679, 17442, 20349, 23766, 26562, 27727, 29358, 30989, 35649, 39843, 40698, 44037, 55454, 61047, 61978, 71298, 75259, 79686, 83181, 88074, 92967, 106947, 119529, 122094, 150518, 166362, 185934, 213894, 225777, 239058, 249543, 278901, 451554, 499086, 526813, 557802, 677331, 748629, 836703, 1053626, 1354662, 1497258, 1580439, 1673406, 2031993, 3160878, 4063986, 4741317, 9482634, 14223951, 28447902]

約数ペア:

[(1, 28447902), (2, 14223951), (3, 9482634), (6, 4741317), (7, 4063986), (9, 3160878), (14, 2031993), (17, 1673406), (18, 1580439), (19, 1497258), (21, 1354662), (27, 1053626), (34, 836703), (38, 748629), (42, 677331), (51, 557802), (54, 526813), (57, 499086), (63, 451554), (102, 278901), (114, 249543), (119, 239058), (126, 225777), (133, 213894), (153, 185934), (171, 166362), (189, 150518), (233, 122094), (238, 119529), (266, 106947), (306, 92967), (323, 88074), (342, 83181), (357, 79686), (378, 75259), (399, 71298), (459, 61978), (466, 61047), (513, 55454), (646, 44037), (699, 40698), (714, 39843), (798, 35649), (918, 30989), (969, 29358), (1026, 27727), (1071, 26562), (1197, 23766), (1398, 20349), (1631, 17442), (1938, 14679), (2097, 13566), (2142, 13281), (2261, 12582), (2394, 11883), (2907, 9786), (3213, 8854), (3262, 8721), (3591, 7922), (3961, 7182), (4194, 6783), (4427, 6426), (4522, 6291), (4893, 5814)]