209980328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41729}}^1$

素因数の和:41789

約数の個数: 32

約数和(自身を含む): 428149800

約数和(自身を除く): 218169472

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 5032, 41729, 83458, 166916, 333832, 709393, 1418786, 1543973, 2837572, 3087946, 5675144, 6175892, 12351784, 26247541, 52495082, 104990164, 209980328]

約数ペア:

[(1, 209980328), (2, 104990164), (4, 52495082), (8, 26247541), (17, 12351784), (34, 6175892), (37, 5675144), (68, 3087946), (74, 2837572), (136, 1543973), (148, 1418786), (296, 709393), (629, 333832), (1258, 166916), (2516, 83458), (5032, 41729)]