209523916

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1213}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 435097600

約数和(自身を除く): 225573684

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 199, 217, 398, 434, 796, 868, 1213, 1393, 2426, 2786, 4852, 5572, 6169, 8491, 12338, 16982, 24676, 33964, 37603, 43183, 75206, 86366, 150412, 172732, 241387, 263221, 482774, 526442, 965548, 1052884, 1689709, 3379418, 6758836, 7482997, 14965994, 29931988, 52380979, 104761958, 209523916]

約数ペア:

[(1, 209523916), (2, 104761958), (4, 52380979), (7, 29931988), (14, 14965994), (28, 7482997), (31, 6758836), (62, 3379418), (124, 1689709), (199, 1052884), (217, 965548), (398, 526442), (434, 482774), (796, 263221), (868, 241387), (1213, 172732), (1393, 150412), (2426, 86366), (2786, 75206), (4852, 43183), (5572, 37603), (6169, 33964), (8491, 24676), (12338, 16982)]