12642695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 17841600

約数和(自身を除く): 5198905

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 353, 377, 551, 1235, 1765, 1885, 2755, 4589, 6707, 7163, 10237, 22945, 33535, 35815, 51185, 87191, 133081, 194503, 435955, 665405, 972515, 2528539, 12642695]

約数ペア:

[(1, 12642695), (5, 2528539), (13, 972515), (19, 665405), (29, 435955), (65, 194503), (95, 133081), (145, 87191), (247, 51185), (353, 35815), (377, 33535), (551, 22945), (1235, 10237), (1765, 7163), (1885, 6707), (2755, 4589)]