203950904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{20543}}^1$

素因数の和:20639

約数の個数: 32

約数和(自身を含む): 410469120

約数和(自身を除く): 206518216

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 292, 584, 1241, 2482, 4964, 9928, 20543, 41086, 82172, 164344, 349231, 698462, 1396924, 1499639, 2793848, 2999278, 5998556, 11997112, 25493863, 50987726, 101975452, 203950904]

約数ペア:

[(1, 203950904), (2, 101975452), (4, 50987726), (8, 25493863), (17, 11997112), (34, 5998556), (68, 2999278), (73, 2793848), (136, 1499639), (146, 1396924), (292, 698462), (584, 349231), (1241, 164344), (2482, 82172), (4964, 41086), (9928, 20543)]