128789976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1931}}^1$

素因数の和:2344

約数の個数: 64

約数和(自身を含む): 369089280

約数和(自身を除く): 240299304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 397, 794, 1191, 1588, 1931, 2382, 2779, 3176, 3862, 4764, 5558, 5793, 7724, 8337, 9528, 11116, 11586, 13517, 15448, 16674, 22232, 23172, 27034, 33348, 40551, 46344, 54068, 66696, 81102, 108136, 162204, 324408, 766607, 1533214, 2299821, 3066428, 4599642, 5366249, 6132856, 9199284, 10732498, 16098747, 18398568, 21464996, 32197494, 42929992, 64394988, 128789976]

約数ペア:

[(1, 128789976), (2, 64394988), (3, 42929992), (4, 32197494), (6, 21464996), (7, 18398568), (8, 16098747), (12, 10732498), (14, 9199284), (21, 6132856), (24, 5366249), (28, 4599642), (42, 3066428), (56, 2299821), (84, 1533214), (168, 766607), (397, 324408), (794, 162204), (1191, 108136), (1588, 81102), (1931, 66696), (2382, 54068), (2779, 46344), (3176, 40551), (3862, 33348), (4764, 27034), (5558, 23172), (5793, 22232), (7724, 16674), (8337, 15448), (9528, 13517), (11116, 11586)]