128937144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1823}}^1$

素因数の和:2260

約数の個数: 64

約数和(自身を含む): 369469440

約数和(自身を除く): 240532296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 421, 842, 1263, 1684, 1823, 2526, 2947, 3368, 3646, 5052, 5469, 5894, 7292, 8841, 10104, 10938, 11788, 12761, 14584, 17682, 21876, 23576, 25522, 35364, 38283, 43752, 51044, 70728, 76566, 102088, 153132, 306264, 767483, 1534966, 2302449, 3069932, 4604898, 5372381, 6139864, 9209796, 10744762, 16117143, 18419592, 21489524, 32234286, 42979048, 64468572, 128937144]

約数ペア:

[(1, 128937144), (2, 64468572), (3, 42979048), (4, 32234286), (6, 21489524), (7, 18419592), (8, 16117143), (12, 10744762), (14, 9209796), (21, 6139864), (24, 5372381), (28, 4604898), (42, 3069932), (56, 2302449), (84, 1534966), (168, 767483), (421, 306264), (842, 153132), (1263, 102088), (1684, 76566), (1823, 70728), (2526, 51044), (2947, 43752), (3368, 38283), (3646, 35364), (5052, 25522), (5469, 23576), (5894, 21876), (7292, 17682), (8841, 14584), (10104, 12761), (10938, 11788)]