209933708

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{4561}}^1$

素因数の和:4913

約数の個数: 24

約数和(自身を含む): 378609504

約数和(自身を除く): 168675796

約数列:

[1, 2, 4, 37, 74, 148, 311, 622, 1244, 4561, 9122, 11507, 18244, 23014, 46028, 168757, 337514, 675028, 1418471, 2836942, 5673884, 52483427, 104966854, 209933708]

約数ペア:

[(1, 209933708), (2, 104966854), (4, 52483427), (37, 5673884), (74, 2836942), (148, 1418471), (311, 675028), (622, 337514), (1244, 168757), (4561, 46028), (9122, 23014), (11507, 18244)]