28939554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 72

約数和(自身を含む): 74355840

約数和(自身を除く): 45416286

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 239, 279, 434, 478, 558, 651, 717, 961, 1302, 1434, 1673, 1922, 1953, 2151, 2883, 3346, 3906, 4302, 5019, 5766, 6727, 7409, 8649, 10038, 13454, 14818, 15057, 17298, 20181, 22227, 30114, 40362, 44454, 51863, 60543, 66681, 103726, 121086, 133362, 155589, 229679, 311178, 459358, 466767, 689037, 933534, 1378074, 1607753, 2067111, 3215506, 4134222, 4823259, 9646518, 14469777, 28939554]

約数ペア:

[(1, 28939554), (2, 14469777), (3, 9646518), (6, 4823259), (7, 4134222), (9, 3215506), (14, 2067111), (18, 1607753), (21, 1378074), (31, 933534), (42, 689037), (62, 466767), (63, 459358), (93, 311178), (126, 229679), (186, 155589), (217, 133362), (239, 121086), (279, 103726), (434, 66681), (478, 60543), (558, 51863), (651, 44454), (717, 40362), (961, 30114), (1302, 22227), (1434, 20181), (1673, 17298), (1922, 15057), (1953, 14818), (2151, 13454), (2883, 10038), (3346, 8649), (3906, 7409), (4302, 6727), (5019, 5766)]