31879146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 69832800

約数和(自身を除く): 37953654

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 149, 169, 211, 298, 338, 422, 447, 507, 633, 894, 1014, 1266, 1937, 2743, 3874, 5486, 5811, 8229, 11622, 16458, 25181, 31439, 35659, 50362, 62878, 71318, 75543, 94317, 106977, 151086, 188634, 213954, 408707, 817414, 1226121, 2452242, 5313191, 10626382, 15939573, 31879146]

約数ペア:

[(1, 31879146), (2, 15939573), (3, 10626382), (6, 5313191), (13, 2452242), (26, 1226121), (39, 817414), (78, 408707), (149, 213954), (169, 188634), (211, 151086), (298, 106977), (338, 94317), (422, 75543), (447, 71318), (507, 62878), (633, 50362), (894, 35659), (1014, 31439), (1266, 25181), (1937, 16458), (2743, 11622), (3874, 8229), (5486, 5811)]