217689974

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1\times {\mathrm{4217}}^1$

素因数の和:4759

約数の個数: 16

約数和(自身を含む): 333458208

約数和(自身を除く): 115768234

約数列:

[1, 2, 53, 106, 487, 974, 4217, 8434, 25811, 51622, 223501, 447002, 2053679, 4107358, 108844987, 217689974]

約数ペア:

[(1, 217689974), (2, 108844987), (53, 4107358), (106, 2053679), (487, 447002), (974, 223501), (4217, 51622), (8434, 25811)]