128340496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6311}}^1$

素因数の和:6391

約数の個数: 40

約数和(自身を含む): 262983168

約数和(自身を除く): 134642672

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 1271, 2542, 5084, 6311, 10168, 12622, 20336, 25244, 50488, 100976, 195641, 258751, 391282, 517502, 782564, 1035004, 1565128, 2070008, 3130256, 4140016, 8021281, 16042562, 32085124, 64170248, 128340496]

約数ペア:

[(1, 128340496), (2, 64170248), (4, 32085124), (8, 16042562), (16, 8021281), (31, 4140016), (41, 3130256), (62, 2070008), (82, 1565128), (124, 1035004), (164, 782564), (248, 517502), (328, 391282), (496, 258751), (656, 195641), (1271, 100976), (2542, 50488), (5084, 25244), (6311, 20336), (10168, 12622)]