491738128

素因数分解:

$2^4\times 7^2\times {\mathrm{627217}}^1$

素因数の和:627239

約数の個数: 30

約数和(自身を含む): 1108294206

約数和(自身を除く): 616556078

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 627217, 1254434, 2508868, 4390519, 5017736, 8781038, 10035472, 17562076, 30733633, 35124152, 61467266, 70248304, 122934532, 245869064, 491738128]

約数ペア:

[(1, 491738128), (2, 245869064), (4, 122934532), (7, 70248304), (8, 61467266), (14, 35124152), (16, 30733633), (28, 17562076), (49, 10035472), (56, 8781038), (98, 5017736), (112, 4390519), (196, 2508868), (392, 1254434), (784, 627217)]