78621697

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 102539520

約数和(自身を除く): 23917823

約数列:

[1, 7, 11, 29, 77, 137, 203, 257, 319, 959, 1507, 1799, 2233, 2827, 3973, 7453, 10549, 19789, 27811, 35209, 43703, 52171, 81983, 246463, 305921, 387299, 573881, 1021061, 2711093, 7147427, 11231671, 78621697]

約数ペア:

[(1, 78621697), (7, 11231671), (11, 7147427), (29, 2711093), (77, 1021061), (137, 573881), (203, 387299), (257, 305921), (319, 246463), (959, 81983), (1507, 52171), (1799, 43703), (2233, 35209), (2827, 27811), (3973, 19789), (7453, 10549)]