72181136

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:563

約数の個数: 40

約数和(自身を含む): 142725240

約数和(自身を除く): 70544104

約数列:

[1, 2, 4, 8, 16, 89, 173, 178, 293, 346, 356, 586, 692, 712, 1172, 1384, 1424, 2344, 2768, 4688, 15397, 26077, 30794, 50689, 52154, 61588, 101378, 104308, 123176, 202756, 208616, 246352, 405512, 417232, 811024, 4511321, 9022642, 18045284, 36090568, 72181136]

約数ペア:

[(1, 72181136), (2, 36090568), (4, 18045284), (8, 9022642), (16, 4511321), (89, 811024), (173, 417232), (178, 405512), (293, 246352), (346, 208616), (356, 202756), (586, 123176), (692, 104308), (712, 101378), (1172, 61588), (1384, 52154), (1424, 50689), (2344, 30794), (2768, 26077), (4688, 15397)]