212173858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3929}}^1$

素因数の和:4042

約数の個数: 32

約数和(自身を含む): 359170560

約数和(自身を除く): 146996702

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 403, 806, 871, 1742, 2077, 3929, 4154, 7858, 27001, 51077, 54002, 102154, 121799, 243598, 263243, 526486, 1583387, 3166774, 3422159, 6844318, 8160533, 16321066, 106086929, 212173858]

約数ペア:

[(1, 212173858), (2, 106086929), (13, 16321066), (26, 8160533), (31, 6844318), (62, 3422159), (67, 3166774), (134, 1583387), (403, 526486), (806, 263243), (871, 243598), (1742, 121799), (2077, 102154), (3929, 54002), (4154, 51077), (7858, 27001)]