28374486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 72449280

約数和(自身を除く): 44074794

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 37, 38, 42, 57, 62, 74, 93, 111, 114, 133, 186, 217, 222, 259, 266, 399, 434, 518, 589, 651, 703, 777, 798, 961, 1147, 1178, 1302, 1406, 1554, 1767, 1922, 2109, 2294, 2883, 3441, 3534, 4123, 4218, 4921, 5766, 6727, 6882, 8029, 8246, 9842, 12369, 13454, 14763, 16058, 18259, 20181, 21793, 24087, 24738, 29526, 35557, 36518, 40362, 43586, 48174, 54777, 65379, 71114, 106671, 109554, 127813, 130758, 152551, 213342, 248899, 255626, 305102, 383439, 457653, 497798, 675583, 746697, 766878, 915306, 1351166, 1493394, 2026749, 4053498, 4729081, 9458162, 14187243, 28374486]

約数ペア:

[(1, 28374486), (2, 14187243), (3, 9458162), (6, 4729081), (7, 4053498), (14, 2026749), (19, 1493394), (21, 1351166), (31, 915306), (37, 766878), (38, 746697), (42, 675583), (57, 497798), (62, 457653), (74, 383439), (93, 305102), (111, 255626), (114, 248899), (133, 213342), (186, 152551), (217, 130758), (222, 127813), (259, 109554), (266, 106671), (399, 71114), (434, 65379), (518, 54777), (589, 48174), (651, 43586), (703, 40362), (777, 36518), (798, 35557), (961, 29526), (1147, 24738), (1178, 24087), (1302, 21793), (1406, 20181), (1554, 18259), (1767, 16058), (1922, 14763), (2109, 13454), (2294, 12369), (2883, 9842), (3441, 8246), (3534, 8029), (4123, 6882), (4218, 6727), (4921, 5766)]