68979716

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{1523}}^1$

素因数の和:1620

約数の個数: 36

約数和(自身を含む): 132752592

約数和(自身を除く): 63772876

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 169, 268, 338, 676, 871, 1523, 1742, 3046, 3484, 6092, 11323, 19799, 22646, 39598, 45292, 79196, 102041, 204082, 257387, 408164, 514774, 1029548, 1326533, 2653066, 5306132, 17244929, 34489858, 68979716]

約数ペア:

[(1, 68979716), (2, 34489858), (4, 17244929), (13, 5306132), (26, 2653066), (52, 1326533), (67, 1029548), (134, 514774), (169, 408164), (268, 257387), (338, 204082), (676, 102041), (871, 79196), (1523, 45292), (1742, 39598), (3046, 22646), (3484, 19799), (6092, 11323)]