123642818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{857}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 207567360

約数和(自身を除く): 83924542

約数列:

[1, 2, 13, 26, 31, 62, 179, 358, 403, 806, 857, 1714, 2327, 4654, 5549, 11098, 11141, 22282, 26567, 53134, 72137, 144274, 153403, 306806, 345371, 690742, 1994239, 3988478, 4755493, 9510986, 61821409, 123642818]

約数ペア:

[(1, 123642818), (2, 61821409), (13, 9510986), (26, 4755493), (31, 3988478), (62, 1994239), (179, 690742), (358, 345371), (403, 306806), (806, 153403), (857, 144274), (1714, 72137), (2327, 53134), (4654, 26567), (5549, 22282), (11098, 11141)]