31230126

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 69951024

約数和(自身を除く): 38720898

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 157, 257, 258, 314, 387, 471, 514, 771, 774, 942, 1413, 1542, 2313, 2826, 4626, 6751, 11051, 13502, 20253, 22102, 33153, 40349, 40506, 60759, 66306, 80698, 99459, 121047, 121518, 198918, 242094, 363141, 726282, 1735007, 3470014, 5205021, 10410042, 15615063, 31230126]

約数ペア:

[(1, 31230126), (2, 15615063), (3, 10410042), (6, 5205021), (9, 3470014), (18, 1735007), (43, 726282), (86, 363141), (129, 242094), (157, 198918), (257, 121518), (258, 121047), (314, 99459), (387, 80698), (471, 66306), (514, 60759), (771, 40506), (774, 40349), (942, 33153), (1413, 22102), (1542, 20253), (2313, 13502), (2826, 11051), (4626, 6751)]