67857868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{19477}}^1$

素因数の和:19561

約数の個数: 24

約数和(自身を含む): 129801392

約数和(自身を除く): 61943524

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 19477, 38954, 77908, 253201, 506402, 1012804, 1304959, 2609918, 5219836, 16964467, 33928934, 67857868]

約数ペア:

[(1, 67857868), (2, 33928934), (4, 16964467), (13, 5219836), (26, 2609918), (52, 1304959), (67, 1012804), (134, 506402), (268, 253201), (871, 77908), (1742, 38954), (3484, 19477)]