31383864

素因数分解:

$2^3\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1087}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 85288320

約数和(自身を除く): 53904456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 401, 802, 1087, 1203, 1604, 2174, 2406, 3208, 3261, 3609, 4348, 4812, 6522, 7218, 8696, 9624, 9783, 13044, 14436, 19566, 26088, 28872, 39132, 78264, 435887, 871774, 1307661, 1743548, 2615322, 3487096, 3922983, 5230644, 7845966, 10461288, 15691932, 31383864]

約数ペア:

[(1, 31383864), (2, 15691932), (3, 10461288), (4, 7845966), (6, 5230644), (8, 3922983), (9, 3487096), (12, 2615322), (18, 1743548), (24, 1307661), (36, 871774), (72, 435887), (401, 78264), (802, 39132), (1087, 28872), (1203, 26088), (1604, 19566), (2174, 14436), (2406, 13044), (3208, 9783), (3261, 9624), (3609, 8696), (4348, 7218), (4812, 6522)]