31987984

素因数分解:

$2^4\times 7^2\times {\mathrm{40801}}^1$

素因数の和:40823

約数の個数: 30

約数和(自身を含む): 72097134

約数和(自身を除く): 40109150

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 40801, 81602, 163204, 285607, 326408, 571214, 652816, 1142428, 1999249, 2284856, 3998498, 4569712, 7996996, 15993992, 31987984]

約数ペア:

[(1, 31987984), (2, 15993992), (4, 7996996), (7, 4569712), (8, 3998498), (14, 2284856), (16, 1999249), (28, 1142428), (49, 652816), (56, 571214), (98, 326408), (112, 285607), (196, 163204), (392, 81602), (784, 40801)]