78347423

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1061}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 100244304

約数和(自身を除く): 21896881

約数列:

[1, 7, 11, 49, 77, 137, 539, 959, 1061, 1507, 6713, 7427, 10549, 11671, 51989, 73843, 81697, 145357, 571879, 1017499, 1598927, 7122493, 11192489, 78347423]

約数ペア:

[(1, 78347423), (7, 11192489), (11, 7122493), (49, 1598927), (77, 1017499), (137, 571879), (539, 145357), (959, 81697), (1061, 73843), (1507, 51989), (6713, 11671), (7427, 10549)]