81357056

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 179250624

約数和(自身を除く): 97893568

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 167, 173, 176, 256, 334, 346, 352, 668, 692, 704, 1336, 1384, 1408, 1837, 1903, 2672, 2768, 2816, 3674, 3806, 5344, 5536, 7348, 7612, 10688, 11072, 14696, 15224, 21376, 22144, 28891, 29392, 30448, 42752, 44288, 57782, 58784, 60896, 115564, 117568, 121792, 231128, 235136, 243584, 317801, 462256, 470272, 487168, 635602, 924512, 1271204, 1849024, 2542408, 3698048, 5084816, 7396096, 10169632, 20339264, 40678528, 81357056]

約数ペア:

[(1, 81357056), (2, 40678528), (4, 20339264), (8, 10169632), (11, 7396096), (16, 5084816), (22, 3698048), (32, 2542408), (44, 1849024), (64, 1271204), (88, 924512), (128, 635602), (167, 487168), (173, 470272), (176, 462256), (256, 317801), (334, 243584), (346, 235136), (352, 231128), (668, 121792), (692, 117568), (704, 115564), (1336, 60896), (1384, 58784), (1408, 57782), (1837, 44288), (1903, 42752), (2672, 30448), (2768, 29392), (2816, 28891), (3674, 22144), (3806, 21376), (5344, 15224), (5536, 14696), (7348, 11072), (7612, 10688)]