12660245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 17332224

約数和(自身を除く): 4671979

約数列:

[1, 5, 13, 31, 61, 65, 103, 155, 305, 403, 515, 793, 1339, 1891, 2015, 3193, 3965, 6283, 6695, 9455, 15965, 24583, 31415, 41509, 81679, 122915, 194773, 207545, 408395, 973865, 2532049, 12660245]

約数ペア:

[(1, 12660245), (5, 2532049), (13, 973865), (31, 408395), (61, 207545), (65, 194773), (103, 122915), (155, 81679), (305, 41509), (403, 31415), (515, 24583), (793, 15965), (1339, 9455), (1891, 6695), (2015, 6283), (3193, 3965)]