17278429

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 21550560

約数和(自身を除く): 4272131

約数列:

[1, 7, 19, 49, 67, 133, 277, 469, 931, 1273, 1939, 3283, 5263, 8911, 13573, 18559, 36841, 62377, 129913, 257887, 352621, 909391, 2468347, 17278429]

約数ペア:

[(1, 17278429), (7, 2468347), (19, 909391), (49, 352621), (67, 257887), (133, 129913), (277, 62377), (469, 36841), (931, 18559), (1273, 13573), (1939, 8911), (3283, 5263)]