639003792

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{31177}}^1$

素因数の和:31256

約数の個数: 80

約数和(自身を含む): 1917571712

約数和(自身を除く): 1278567920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 1281, 1464, 1708, 2562, 2928, 3416, 5124, 6832, 10248, 20496, 31177, 62354, 93531, 124708, 187062, 218239, 249416, 374124, 436478, 498832, 654717, 748248, 872956, 1309434, 1496496, 1745912, 1901797, 2618868, 3491824, 3803594, 5237736, 5705391, 7607188, 10475472, 11410782, 13312579, 15214376, 22821564, 26625158, 30428752, 39937737, 45643128, 53250316, 79875474, 91286256, 106500632, 159750948, 213001264, 319501896, 639003792]

約数ペア:

[(1, 639003792), (2, 319501896), (3, 213001264), (4, 159750948), (6, 106500632), (7, 91286256), (8, 79875474), (12, 53250316), (14, 45643128), (16, 39937737), (21, 30428752), (24, 26625158), (28, 22821564), (42, 15214376), (48, 13312579), (56, 11410782), (61, 10475472), (84, 7607188), (112, 5705391), (122, 5237736), (168, 3803594), (183, 3491824), (244, 2618868), (336, 1901797), (366, 1745912), (427, 1496496), (488, 1309434), (732, 872956), (854, 748248), (976, 654717), (1281, 498832), (1464, 436478), (1708, 374124), (2562, 249416), (2928, 218239), (3416, 187062), (5124, 124708), (6832, 93531), (10248, 62354), (20496, 31177)]