420988016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1384829}}^1$

素因数の和:1384856

約数の個数: 20

約数和(自身を含む): 858594600

約数和(自身を除く): 437606584

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1384829, 2769658, 5539316, 11078632, 22157264, 26311751, 52623502, 105247004, 210494008, 420988016]

約数ペア:

[(1, 420988016), (2, 210494008), (4, 105247004), (8, 52623502), (16, 26311751), (19, 22157264), (38, 11078632), (76, 5539316), (152, 2769658), (304, 1384829)]