12938172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 32753952

約数和(自身を除く): 19815780

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 197, 394, 421, 591, 788, 842, 1182, 1263, 1684, 2364, 2526, 2561, 5052, 5122, 5473, 7683, 10244, 10946, 15366, 16419, 21892, 30732, 32838, 65676, 82937, 165874, 248811, 331748, 497622, 995244, 1078181, 2156362, 3234543, 4312724, 6469086, 12938172]

約数ペア:

[(1, 12938172), (2, 6469086), (3, 4312724), (4, 3234543), (6, 2156362), (12, 1078181), (13, 995244), (26, 497622), (39, 331748), (52, 248811), (78, 165874), (156, 82937), (197, 65676), (394, 32838), (421, 30732), (591, 21892), (788, 16419), (842, 15366), (1182, 10946), (1263, 10244), (1684, 7683), (2364, 5473), (2526, 5122), (2561, 5052)]