8164890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 21371688

約数和(自身を除く): 13206798

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 353, 514, 706, 771, 1059, 1285, 1542, 1765, 2118, 2313, 2570, 3177, 3530, 3855, 4626, 5295, 6354, 7710, 10590, 11565, 15885, 23130, 31770, 90721, 181442, 272163, 453605, 544326, 816489, 907210, 1360815, 1632978, 2721630, 4082445, 8164890]

約数ペア:

[(1, 8164890), (2, 4082445), (3, 2721630), (5, 1632978), (6, 1360815), (9, 907210), (10, 816489), (15, 544326), (18, 453605), (30, 272163), (45, 181442), (90, 90721), (257, 31770), (353, 23130), (514, 15885), (706, 11565), (771, 10590), (1059, 7710), (1285, 6354), (1542, 5295), (1765, 4626), (2118, 3855), (2313, 3530), (2570, 3177)]