199921656

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 568431360

約数和(自身を除く): 368509704

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 74, 88, 97, 111, 132, 148, 194, 211, 222, 264, 291, 296, 388, 407, 422, 444, 582, 633, 776, 814, 844, 888, 1067, 1164, 1221, 1266, 1628, 1688, 2134, 2321, 2328, 2442, 2532, 3201, 3256, 3589, 4268, 4642, 4884, 5064, 6402, 6963, 7178, 7807, 8536, 9284, 9768, 10767, 12804, 13926, 14356, 15614, 18568, 20467, 21534, 23421, 25608, 27852, 28712, 31228, 39479, 40934, 43068, 46842, 55704, 61401, 62456, 78958, 81868, 85877, 86136, 93684, 118437, 122802, 157916, 163736, 171754, 187368, 225137, 236874, 245604, 257631, 315832, 343508, 450274, 473748, 491208, 515262, 675411, 687016, 757279, 900548, 947496, 1030524, 1350822, 1514558, 1801096, 2061048, 2271837, 2701644, 3029116, 4543674, 5403288, 6058232, 8330069, 9087348, 16660138, 18174696, 24990207, 33320276, 49980414, 66640552, 99960828, 199921656]

約数ペア:

[(1, 199921656), (2, 99960828), (3, 66640552), (4, 49980414), (6, 33320276), (8, 24990207), (11, 18174696), (12, 16660138), (22, 9087348), (24, 8330069), (33, 6058232), (37, 5403288), (44, 4543674), (66, 3029116), (74, 2701644), (88, 2271837), (97, 2061048), (111, 1801096), (132, 1514558), (148, 1350822), (194, 1030524), (211, 947496), (222, 900548), (264, 757279), (291, 687016), (296, 675411), (388, 515262), (407, 491208), (422, 473748), (444, 450274), (582, 343508), (633, 315832), (776, 257631), (814, 245604), (844, 236874), (888, 225137), (1067, 187368), (1164, 171754), (1221, 163736), (1266, 157916), (1628, 122802), (1688, 118437), (2134, 93684), (2321, 86136), (2328, 85877), (2442, 81868), (2532, 78958), (3201, 62456), (3256, 61401), (3589, 55704), (4268, 46842), (4642, 43068), (4884, 40934), (5064, 39479), (6402, 31228), (6963, 28712), (7178, 27852), (7807, 25608), (8536, 23421), (9284, 21534), (9768, 20467), (10767, 18568), (12804, 15614), (13926, 14356)]