138894245

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 194641920

約数和(自身を除く): 55747675

約数列:

[1, 5, 7, 35, 79, 191, 263, 395, 553, 955, 1315, 1337, 1841, 2765, 6685, 9205, 15089, 20777, 50233, 75445, 103885, 105623, 145439, 251165, 351631, 528115, 727195, 1758155, 3968407, 19842035, 27778849, 138894245]

約数ペア:

[(1, 138894245), (5, 27778849), (7, 19842035), (35, 3968407), (79, 1758155), (191, 727195), (263, 528115), (395, 351631), (553, 251165), (955, 145439), (1315, 105623), (1337, 103885), (1841, 75445), (2765, 50233), (6685, 20777), (9205, 15089)]