219314512

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 432193320

約数和(自身を除く): 212878808

約数列:

[1, 2, 4, 8, 16, 89, 178, 233, 356, 466, 661, 712, 932, 1322, 1424, 1864, 2644, 3728, 5288, 10576, 20737, 41474, 58829, 82948, 117658, 154013, 165896, 235316, 308026, 331792, 470632, 616052, 941264, 1232104, 2464208, 13707157, 27414314, 54828628, 109657256, 219314512]

約数ペア:

[(1, 219314512), (2, 109657256), (4, 54828628), (8, 27414314), (16, 13707157), (89, 2464208), (178, 1232104), (233, 941264), (356, 616052), (466, 470632), (661, 331792), (712, 308026), (932, 235316), (1322, 165896), (1424, 154013), (1864, 117658), (2644, 82948), (3728, 58829), (5288, 41474), (10576, 20737)]