81358228

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{3121}}^1$

素因数の和:3165

約数の個数: 48

約数和(自身を含む): 174832000

約数和(自身を除く): 93473772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 931, 1372, 1862, 3121, 3724, 6242, 6517, 12484, 13034, 21847, 26068, 43694, 59299, 87388, 118598, 152929, 237196, 305858, 415093, 611716, 830186, 1070503, 1660372, 2141006, 2905651, 4282012, 5811302, 11622604, 20339557, 40679114, 81358228]

約数ペア:

[(1, 81358228), (2, 40679114), (4, 20339557), (7, 11622604), (14, 5811302), (19, 4282012), (28, 2905651), (38, 2141006), (49, 1660372), (76, 1070503), (98, 830186), (133, 611716), (196, 415093), (266, 305858), (343, 237196), (532, 152929), (686, 118598), (931, 87388), (1372, 59299), (1862, 43694), (3121, 26068), (3724, 21847), (6242, 13034), (6517, 12484)]