197921556

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1576

約数の個数: 144

約数和(自身を含む): 624565760

約数和(自身を除く): 426644204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 243, 252, 266, 324, 342, 378, 399, 486, 513, 532, 567, 684, 756, 798, 972, 1026, 1134, 1197, 1531, 1539, 1596, 1701, 2052, 2268, 2394, 3062, 3078, 3402, 3591, 4593, 4617, 4788, 6124, 6156, 6804, 7182, 9186, 9234, 10717, 10773, 13779, 14364, 18372, 18468, 21434, 21546, 27558, 29089, 32151, 32319, 41337, 42868, 43092, 55116, 58178, 64302, 64638, 82674, 87267, 96453, 116356, 124011, 128604, 129276, 165348, 174534, 192906, 203623, 248022, 261801, 289359, 349068, 372033, 385812, 407246, 496044, 523602, 578718, 610869, 744066, 785403, 814492, 868077, 1047204, 1157436, 1221738, 1488132, 1570806, 1736154, 1832607, 2356209, 2443476, 2604231, 3141612, 3472308, 3665214, 4712418, 5208462, 5497821, 7068627, 7330428, 9424836, 10416924, 10995642, 14137254, 16493463, 21991284, 28274508, 32986926, 49480389, 65973852, 98960778, 197921556]

約数ペア:

[(1, 197921556), (2, 98960778), (3, 65973852), (4, 49480389), (6, 32986926), (7, 28274508), (9, 21991284), (12, 16493463), (14, 14137254), (18, 10995642), (19, 10416924), (21, 9424836), (27, 7330428), (28, 7068627), (36, 5497821), (38, 5208462), (42, 4712418), (54, 3665214), (57, 3472308), (63, 3141612), (76, 2604231), (81, 2443476), (84, 2356209), (108, 1832607), (114, 1736154), (126, 1570806), (133, 1488132), (162, 1221738), (171, 1157436), (189, 1047204), (228, 868077), (243, 814492), (252, 785403), (266, 744066), (324, 610869), (342, 578718), (378, 523602), (399, 496044), (486, 407246), (513, 385812), (532, 372033), (567, 349068), (684, 289359), (756, 261801), (798, 248022), (972, 203623), (1026, 192906), (1134, 174534), (1197, 165348), (1531, 129276), (1539, 128604), (1596, 124011), (1701, 116356), (2052, 96453), (2268, 87267), (2394, 82674), (3062, 64638), (3078, 64302), (3402, 58178), (3591, 55116), (4593, 43092), (4617, 42868), (4788, 41337), (6124, 32319), (6156, 32151), (6804, 29089), (7182, 27558), (9186, 21546), (9234, 21434), (10717, 18468), (10773, 18372), (13779, 14364)]