81387376

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4877}}^1$

素因数の和:5041

約数の個数: 40

約数和(自身を含む): 181461600

約数和(自身を除く): 100074224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1192, 2086, 2384, 4172, 4877, 8344, 9754, 16688, 19508, 34139, 39016, 68278, 78032, 136556, 273112, 546224, 726673, 1453346, 2906692, 5086711, 5813384, 10173422, 11626768, 20346844, 40693688, 81387376]

約数ペア:

[(1, 81387376), (2, 40693688), (4, 20346844), (7, 11626768), (8, 10173422), (14, 5813384), (16, 5086711), (28, 2906692), (56, 1453346), (112, 726673), (149, 546224), (298, 273112), (596, 136556), (1043, 78032), (1192, 68278), (2086, 39016), (2384, 34139), (4172, 19508), (4877, 16688), (8344, 9754)]