128571996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1193}}^1\times {\mathrm{1283}}^1$

素因数の和:2490

約数の個数: 48

約数和(自身を含む): 343413504

約数和(自身を除く): 214841508

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1193, 1283, 2386, 2566, 3579, 3849, 4772, 5132, 7158, 7698, 8351, 8981, 14316, 15396, 16702, 17962, 25053, 26943, 33404, 35924, 50106, 53886, 100212, 107772, 1530619, 3061238, 4591857, 6122476, 9183714, 10714333, 18367428, 21428666, 32142999, 42857332, 64285998, 128571996]

約数ペア:

[(1, 128571996), (2, 64285998), (3, 42857332), (4, 32142999), (6, 21428666), (7, 18367428), (12, 10714333), (14, 9183714), (21, 6122476), (28, 4591857), (42, 3061238), (84, 1530619), (1193, 107772), (1283, 100212), (2386, 53886), (2566, 50106), (3579, 35924), (3849, 33404), (4772, 26943), (5132, 25053), (7158, 17962), (7698, 16702), (8351, 15396), (8981, 14316)]