394856

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 924480

約数和(自身を除く): 529624

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 641, 1282, 2564, 4487, 5128, 7051, 8974, 14102, 17948, 28204, 35896, 49357, 56408, 98714, 197428, 394856]

約数ペア:

[(1, 394856), (2, 197428), (4, 98714), (7, 56408), (8, 49357), (11, 35896), (14, 28204), (22, 17948), (28, 14102), (44, 8974), (56, 7051), (77, 5128), (88, 4487), (154, 2564), (308, 1282), (616, 641)]