31132688

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1311

約数の個数: 40

約数和(自身を含む): 63442368

約数和(自身を除く): 32309680

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 1223, 1591, 2446, 3182, 4892, 6364, 9784, 12728, 19568, 25456, 45251, 52589, 90502, 105178, 181004, 210356, 362008, 420712, 724016, 841424, 1945793, 3891586, 7783172, 15566344, 31132688]

約数ペア:

[(1, 31132688), (2, 15566344), (4, 7783172), (8, 3891586), (16, 1945793), (37, 841424), (43, 724016), (74, 420712), (86, 362008), (148, 210356), (172, 181004), (296, 105178), (344, 90502), (592, 52589), (688, 45251), (1223, 25456), (1591, 19568), (2446, 12728), (3182, 9784), (4892, 6364)]