199405616

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{128483}}^1$

素因数の和:128588

約数の個数: 20

約数和(自身を含む): 390334392

約数和(自身を除く): 190928776

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 128483, 256966, 513932, 1027864, 2055728, 12462851, 24925702, 49851404, 99702808, 199405616]

約数ペア:

[(1, 199405616), (2, 99702808), (4, 49851404), (8, 24925702), (16, 12462851), (97, 2055728), (194, 1027864), (388, 513932), (776, 256966), (1552, 128483)]