11991140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{883}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 29108352

約数和(自身を除く): 17117212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 883, 970, 1358, 1766, 1940, 2716, 3395, 3532, 4415, 6181, 6790, 8830, 12362, 13580, 17660, 24724, 30905, 61810, 85651, 123620, 171302, 342604, 428255, 599557, 856510, 1199114, 1713020, 2398228, 2997785, 5995570, 11991140]

約数ペア:

[(1, 11991140), (2, 5995570), (4, 2997785), (5, 2398228), (7, 1713020), (10, 1199114), (14, 856510), (20, 599557), (28, 428255), (35, 342604), (70, 171302), (97, 123620), (140, 85651), (194, 61810), (388, 30905), (485, 24724), (679, 17660), (883, 13580), (970, 12362), (1358, 8830), (1766, 6790), (1940, 6181), (2716, 4415), (3395, 3532)]