7428031

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 9374400

約数和(自身を除く): 1946369

約数列:

[1, 13, 17, 19, 29, 61, 221, 247, 323, 377, 493, 551, 793, 1037, 1159, 1769, 4199, 6409, 7163, 9367, 13481, 15067, 19703, 22997, 30073, 33611, 121771, 256139, 390949, 436943, 571387, 7428031]

約数ペア:

[(1, 7428031), (13, 571387), (17, 436943), (19, 390949), (29, 256139), (61, 121771), (221, 33611), (247, 30073), (323, 22997), (377, 19703), (493, 15067), (551, 13481), (793, 9367), (1037, 7163), (1159, 6409), (1769, 4199)]