165319475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 233020800

約数和(自身を除く): 67701325

約数列:

[1, 5, 17, 19, 25, 59, 85, 95, 295, 323, 347, 425, 475, 1003, 1121, 1475, 1615, 1735, 5015, 5605, 5899, 6593, 8075, 8675, 19057, 20473, 25075, 28025, 29495, 32965, 95285, 102365, 112081, 147475, 164825, 348041, 388987, 476425, 511825, 560405, 1740205, 1944935, 2802025, 6612779, 8701025, 9724675, 33063895, 165319475]

約数ペア:

[(1, 165319475), (5, 33063895), (17, 9724675), (19, 8701025), (25, 6612779), (59, 2802025), (85, 1944935), (95, 1740205), (295, 560405), (323, 511825), (347, 476425), (425, 388987), (475, 348041), (1003, 164825), (1121, 147475), (1475, 112081), (1615, 102365), (1735, 95285), (5015, 32965), (5605, 29495), (5899, 28025), (6593, 25075), (8075, 20473), (8675, 19057)]