84213490

素因数分解:

$2^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{4217}}^1$

素因数の和:6221

約数の個数: 16

約数和(自身を含む): 151696152

約数和(自身を除く): 67482662

約数列:

[1, 2, 5, 10, 1997, 3994, 4217, 8434, 9985, 19970, 21085, 42170, 8421349, 16842698, 42106745, 84213490]

約数ペア:

[(1, 84213490), (2, 42106745), (5, 16842698), (10, 8421349), (1997, 42170), (3994, 21085), (4217, 19970), (8434, 9985)]