12151990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 22698144

約数和(自身を除く): 10546154

約数列:

[1, 2, 5, 10, 41, 82, 107, 205, 214, 277, 410, 535, 554, 1070, 1385, 2770, 4387, 8774, 11357, 21935, 22714, 29639, 43870, 56785, 59278, 113570, 148195, 296390, 1215199, 2430398, 6075995, 12151990]

約数ペア:

[(1, 12151990), (2, 6075995), (5, 2430398), (10, 1215199), (41, 296390), (82, 148195), (107, 113570), (205, 59278), (214, 56785), (277, 43870), (410, 29639), (535, 22714), (554, 21935), (1070, 11357), (1385, 8774), (2770, 4387)]