31317328

素因数分解:

$2^4\times 7^1\times {\mathrm{279619}}^1$

素因数の和:279634

約数の個数: 20

約数和(自身を含む): 69345760

約数和(自身を除く): 38028432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 279619, 559238, 1118476, 1957333, 2236952, 3914666, 4473904, 7829332, 15658664, 31317328]

約数ペア:

[(1, 31317328), (2, 15658664), (4, 7829332), (7, 4473904), (8, 3914666), (14, 2236952), (16, 1957333), (28, 1118476), (56, 559238), (112, 279619)]