217475934

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 498415680

約数和(自身を除く): 280939746

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 401, 409, 442, 663, 802, 818, 1203, 1227, 1326, 2406, 2454, 5213, 5317, 6817, 6953, 10426, 10634, 13634, 13906, 15639, 15951, 20451, 20859, 31278, 31902, 40902, 41718, 88621, 90389, 164009, 177242, 180778, 265863, 271167, 328018, 492027, 531726, 542334, 984054, 2132117, 2788153, 4264234, 5576306, 6396351, 8364459, 12792702, 16728918, 36245989, 72491978, 108737967, 217475934]

約数ペア:

[(1, 217475934), (2, 108737967), (3, 72491978), (6, 36245989), (13, 16728918), (17, 12792702), (26, 8364459), (34, 6396351), (39, 5576306), (51, 4264234), (78, 2788153), (102, 2132117), (221, 984054), (401, 542334), (409, 531726), (442, 492027), (663, 328018), (802, 271167), (818, 265863), (1203, 180778), (1227, 177242), (1326, 164009), (2406, 90389), (2454, 88621), (5213, 41718), (5317, 40902), (6817, 31902), (6953, 31278), (10426, 20859), (10634, 20451), (13634, 15951), (13906, 15639)]