12543778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 8745182

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 197, 394, 403, 806, 1027, 2054, 2449, 2561, 4898, 5122, 6107, 12214, 15563, 31126, 31837, 63674, 79391, 158782, 202319, 404638, 482453, 964906, 6271889, 12543778]

約数ペア:

[(1, 12543778), (2, 6271889), (13, 964906), (26, 482453), (31, 404638), (62, 202319), (79, 158782), (158, 79391), (197, 63674), (394, 31837), (403, 31126), (806, 15563), (1027, 12214), (2054, 6107), (2449, 5122), (2561, 4898)]