217985974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{85619}}^1$

素因数の和:85707

約数の個数: 16

約数和(自身を含む): 349329600

約数和(自身を除く): 131343626

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 85619, 171238, 1626761, 3253522, 5736473, 11472946, 108992987, 217985974]

約数ペア:

[(1, 217985974), (2, 108992987), (19, 11472946), (38, 5736473), (67, 3253522), (134, 1626761), (1273, 171238), (2546, 85619)]