217520212

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{85369}}^1$

素因数の和:85400

約数の個数: 36

約数和(自身を含む): 476876820

約数和(自身を除く): 259356608

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 85369, 170738, 341476, 597583, 1109797, 1195166, 2219594, 2390332, 4183081, 4439188, 7768579, 8366162, 15537158, 16732324, 31074316, 54380053, 108760106, 217520212]

約数ペア:

[(1, 217520212), (2, 108760106), (4, 54380053), (7, 31074316), (13, 16732324), (14, 15537158), (26, 8366162), (28, 7768579), (49, 4439188), (52, 4183081), (91, 2390332), (98, 2219594), (182, 1195166), (196, 1109797), (364, 597583), (637, 341476), (1274, 170738), (2548, 85369)]