639632336

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:700

約数の個数: 80

約数和(自身を含む): 1449157248

約数和(自身を除く): 809524912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 251, 373, 427, 488, 502, 746, 854, 976, 1004, 1492, 1708, 1757, 2008, 2611, 2984, 3416, 3514, 4016, 5222, 5968, 6832, 7028, 10444, 14056, 15311, 20888, 22753, 28112, 30622, 41776, 45506, 61244, 91012, 93623, 107177, 122488, 159271, 182024, 187246, 214354, 244976, 318542, 364048, 374492, 428708, 637084, 655361, 748984, 857416, 1274168, 1310722, 1497968, 1714832, 2548336, 2621444, 5242888, 5711003, 10485776, 11422006, 22844012, 39977021, 45688024, 79954042, 91376048, 159908084, 319816168, 639632336]

約数ペア:

[(1, 639632336), (2, 319816168), (4, 159908084), (7, 91376048), (8, 79954042), (14, 45688024), (16, 39977021), (28, 22844012), (56, 11422006), (61, 10485776), (112, 5711003), (122, 5242888), (244, 2621444), (251, 2548336), (373, 1714832), (427, 1497968), (488, 1310722), (502, 1274168), (746, 857416), (854, 748984), (976, 655361), (1004, 637084), (1492, 428708), (1708, 374492), (1757, 364048), (2008, 318542), (2611, 244976), (2984, 214354), (3416, 187246), (3514, 182024), (4016, 159271), (5222, 122488), (5968, 107177), (6832, 93623), (7028, 91012), (10444, 61244), (14056, 45506), (15311, 41776), (20888, 30622), (22753, 28112)]