668505474

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 160

約数和(自身を含む): 1862695296

約数和(自身を除く): 1194189822

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 137, 162, 182, 189, 234, 273, 274, 331, 351, 378, 411, 546, 567, 662, 702, 819, 822, 959, 993, 1053, 1134, 1233, 1638, 1781, 1918, 1986, 2106, 2317, 2457, 2466, 2877, 2979, 3562, 3699, 4303, 4634, 4914, 5343, 5754, 5958, 6951, 7371, 7398, 8606, 8631, 8937, 10686, 11097, 12467, 12909, 13902, 14742, 16029, 17262, 17874, 20853, 22194, 24934, 25818, 25893, 26811, 30121, 32058, 37401, 38727, 41706, 45347, 48087, 51786, 53622, 60242, 62559, 74802, 77454, 77679, 90363, 90694, 96174, 112203, 116181, 125118, 136041, 144261, 155358, 180726, 187677, 224406, 232362, 271089, 272082, 288522, 317429, 336609, 348543, 375354, 408123, 542178, 589511, 634858, 673218, 697086, 813267, 816246, 952287, 1009827, 1179022, 1224369, 1626534, 1768533, 1904574, 2019654, 2439801, 2448738, 2856861, 3537066, 3673107, 4126577, 4879602, 5305599, 5713722, 7346214, 8253154, 8570583, 10611198, 12379731, 15916797, 17141166, 24759462, 25711749, 31833594, 37139193, 47750391, 51423498, 74278386, 95500782, 111417579, 222835158, 334252737, 668505474]

約数ペア:

[(1, 668505474), (2, 334252737), (3, 222835158), (6, 111417579), (7, 95500782), (9, 74278386), (13, 51423498), (14, 47750391), (18, 37139193), (21, 31833594), (26, 25711749), (27, 24759462), (39, 17141166), (42, 15916797), (54, 12379731), (63, 10611198), (78, 8570583), (81, 8253154), (91, 7346214), (117, 5713722), (126, 5305599), (137, 4879602), (162, 4126577), (182, 3673107), (189, 3537066), (234, 2856861), (273, 2448738), (274, 2439801), (331, 2019654), (351, 1904574), (378, 1768533), (411, 1626534), (546, 1224369), (567, 1179022), (662, 1009827), (702, 952287), (819, 816246), (822, 813267), (959, 697086), (993, 673218), (1053, 634858), (1134, 589511), (1233, 542178), (1638, 408123), (1781, 375354), (1918, 348543), (1986, 336609), (2106, 317429), (2317, 288522), (2457, 272082), (2466, 271089), (2877, 232362), (2979, 224406), (3562, 187677), (3699, 180726), (4303, 155358), (4634, 144261), (4914, 136041), (5343, 125118), (5754, 116181), (5958, 112203), (6951, 96174), (7371, 90694), (7398, 90363), (8606, 77679), (8631, 77454), (8937, 74802), (10686, 62559), (11097, 60242), (12467, 53622), (12909, 51786), (13902, 48087), (14742, 45347), (16029, 41706), (17262, 38727), (17874, 37401), (20853, 32058), (22194, 30121), (24934, 26811), (25818, 25893)]