208510256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{16729}}^1$

素因数の和:16797

約数の個数: 40

約数和(自身を含む): 435649200

約数和(自身を除く): 227138944

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 16729, 33458, 66916, 133832, 267664, 317851, 635702, 685889, 1271404, 1371778, 2542808, 2743556, 5085616, 5487112, 10974224, 13031891, 26063782, 52127564, 104255128, 208510256]

約数ペア:

[(1, 208510256), (2, 104255128), (4, 52127564), (8, 26063782), (16, 13031891), (19, 10974224), (38, 5487112), (41, 5085616), (76, 2743556), (82, 2542808), (152, 1371778), (164, 1271404), (304, 685889), (328, 635702), (656, 317851), (779, 267664), (1558, 133832), (3116, 66916), (6232, 33458), (12464, 16729)]