81957106

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{10861}}^1$

素因数の和:10895

約数の個数: 32

約数和(自身を含む): 156412800

約数和(自身を除く): 74455694

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 3773, 7546, 10861, 21722, 76027, 119471, 152054, 238942, 532189, 836297, 1064378, 1672594, 3725323, 5854079, 7450646, 11708158, 40978553, 81957106]

約数ペア:

[(1, 81957106), (2, 40978553), (7, 11708158), (11, 7450646), (14, 5854079), (22, 3725323), (49, 1672594), (77, 1064378), (98, 836297), (154, 532189), (343, 238942), (539, 152054), (686, 119471), (1078, 76027), (3773, 21722), (7546, 10861)]