28520748

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 81108720

約数和(自身を除く): 52587972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 41, 54, 57, 76, 81, 82, 108, 113, 114, 123, 162, 164, 171, 226, 228, 246, 324, 339, 342, 369, 452, 492, 513, 678, 684, 738, 779, 1017, 1026, 1107, 1356, 1476, 1539, 1558, 2034, 2052, 2147, 2214, 2337, 3051, 3078, 3116, 3321, 4068, 4294, 4428, 4633, 4674, 6102, 6156, 6441, 6642, 7011, 8588, 9153, 9266, 9348, 12204, 12882, 13284, 13899, 14022, 18306, 18532, 19323, 21033, 25764, 27798, 28044, 36612, 38646, 41697, 42066, 55596, 57969, 63099, 77292, 83394, 84132, 88027, 115938, 125091, 126198, 166788, 173907, 176054, 231876, 250182, 252396, 264081, 347814, 352108, 375273, 500364, 528162, 695628, 750546, 792243, 1056324, 1501092, 1584486, 2376729, 3168972, 4753458, 7130187, 9506916, 14260374, 28520748]

約数ペア:

[(1, 28520748), (2, 14260374), (3, 9506916), (4, 7130187), (6, 4753458), (9, 3168972), (12, 2376729), (18, 1584486), (19, 1501092), (27, 1056324), (36, 792243), (38, 750546), (41, 695628), (54, 528162), (57, 500364), (76, 375273), (81, 352108), (82, 347814), (108, 264081), (113, 252396), (114, 250182), (123, 231876), (162, 176054), (164, 173907), (171, 166788), (226, 126198), (228, 125091), (246, 115938), (324, 88027), (339, 84132), (342, 83394), (369, 77292), (452, 63099), (492, 57969), (513, 55596), (678, 42066), (684, 41697), (738, 38646), (779, 36612), (1017, 28044), (1026, 27798), (1107, 25764), (1356, 21033), (1476, 19323), (1539, 18532), (1558, 18306), (2034, 14022), (2052, 13899), (2147, 13284), (2214, 12882), (2337, 12204), (3051, 9348), (3078, 9266), (3116, 9153), (3321, 8588), (4068, 7011), (4294, 6642), (4428, 6441), (4633, 6156), (4674, 6102)]