489602897

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 585795840

約数和(自身を除く): 96192943

約数列:

[1, 7, 61, 73, 113, 139, 427, 511, 791, 973, 4453, 6893, 8249, 8479, 10147, 15707, 31171, 48251, 57743, 59353, 71029, 109949, 503189, 618967, 958127, 1146611, 3522323, 4332769, 6706889, 8026277, 69943271, 489602897]

約数ペア:

[(1, 489602897), (7, 69943271), (61, 8026277), (73, 6706889), (113, 4332769), (139, 3522323), (427, 1146611), (511, 958127), (791, 618967), (973, 503189), (4453, 109949), (6893, 71029), (8249, 59353), (8479, 57743), (10147, 48251), (15707, 31171)]