513712

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 20

約数和(自身を含む): 1008616

約数和(自身を除く): 494904

約数列:

[1, 2, 4, 8, 16, 97, 194, 331, 388, 662, 776, 1324, 1552, 2648, 5296, 32107, 64214, 128428, 256856, 513712]

約数ペア:

[(1, 513712), (2, 256856), (4, 128428), (8, 64214), (16, 32107), (97, 5296), (194, 2648), (331, 1552), (388, 1324), (662, 776)]