666608488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 1657393920

約数和(自身を除く): 990785432

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 61, 68, 91, 104, 119, 122, 136, 182, 221, 238, 244, 364, 427, 442, 476, 488, 728, 793, 854, 883, 884, 952, 1037, 1547, 1586, 1708, 1766, 1768, 2074, 3094, 3172, 3416, 3532, 4148, 5551, 6181, 6188, 6344, 7064, 7259, 8296, 11102, 11479, 12362, 12376, 13481, 14518, 15011, 22204, 22958, 24724, 26962, 29036, 30022, 44408, 45916, 49448, 53863, 53924, 58072, 60044, 80353, 91832, 94367, 105077, 107726, 107848, 120088, 160706, 188734, 195143, 210154, 215452, 321412, 377041, 377468, 390286, 420308, 430904, 642824, 700219, 754082, 754936, 780572, 840616, 915671, 1366001, 1400438, 1508164, 1561144, 1831342, 2732002, 2800876, 3016328, 3662684, 4901533, 5464004, 5601752, 6409697, 7325368, 9803066, 10928008, 11903723, 12819394, 19606132, 23807446, 25638788, 39212264, 47614892, 51277576, 83326061, 95229784, 166652122, 333304244, 666608488]

約数ペア:

[(1, 666608488), (2, 333304244), (4, 166652122), (7, 95229784), (8, 83326061), (13, 51277576), (14, 47614892), (17, 39212264), (26, 25638788), (28, 23807446), (34, 19606132), (52, 12819394), (56, 11903723), (61, 10928008), (68, 9803066), (91, 7325368), (104, 6409697), (119, 5601752), (122, 5464004), (136, 4901533), (182, 3662684), (221, 3016328), (238, 2800876), (244, 2732002), (364, 1831342), (427, 1561144), (442, 1508164), (476, 1400438), (488, 1366001), (728, 915671), (793, 840616), (854, 780572), (883, 754936), (884, 754082), (952, 700219), (1037, 642824), (1547, 430904), (1586, 420308), (1708, 390286), (1766, 377468), (1768, 377041), (2074, 321412), (3094, 215452), (3172, 210154), (3416, 195143), (3532, 188734), (4148, 160706), (5551, 120088), (6181, 107848), (6188, 107726), (6344, 105077), (7064, 94367), (7259, 91832), (8296, 80353), (11102, 60044), (11479, 58072), (12362, 53924), (12376, 53863), (13481, 49448), (14518, 45916), (15011, 44408), (22204, 30022), (22958, 29036), (24724, 26962)]