638528023

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{6911}}^1$

素因数の和:7182

約数の個数: 16

約数和(自身を含む): 744505344

約数和(自身を除く): 105977321

約数列:

[1, 7, 67, 197, 469, 1379, 6911, 13199, 48377, 92393, 463037, 1361467, 3241259, 9530269, 91218289, 638528023]

約数ペア:

[(1, 638528023), (7, 91218289), (67, 9530269), (197, 3241259), (469, 1361467), (1379, 463037), (6911, 92393), (13199, 48377)]