128356452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1283}}^1$

素因数の和:1697

約数の個数: 72

約数和(自身を含む): 372031296

約数和(自身を除く): 243674844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 397, 794, 1191, 1283, 1588, 2382, 2566, 2779, 3573, 3849, 4764, 5132, 5558, 7146, 7698, 8337, 8981, 11116, 11547, 14292, 15396, 16674, 17962, 23094, 25011, 26943, 33348, 35924, 46188, 50022, 53886, 80829, 100044, 107772, 161658, 323316, 509351, 1018702, 1528053, 2037404, 3056106, 3565457, 4584159, 6112212, 7130914, 9168318, 10696371, 14261828, 18336636, 21392742, 32089113, 42785484, 64178226, 128356452]

約数ペア:

[(1, 128356452), (2, 64178226), (3, 42785484), (4, 32089113), (6, 21392742), (7, 18336636), (9, 14261828), (12, 10696371), (14, 9168318), (18, 7130914), (21, 6112212), (28, 4584159), (36, 3565457), (42, 3056106), (63, 2037404), (84, 1528053), (126, 1018702), (252, 509351), (397, 323316), (794, 161658), (1191, 107772), (1283, 100044), (1588, 80829), (2382, 53886), (2566, 50022), (2779, 46188), (3573, 35924), (3849, 33348), (4764, 26943), (5132, 25011), (5558, 23094), (7146, 17962), (7698, 16674), (8337, 15396), (8981, 14292), (11116, 11547)]