996890990

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{3989}}^1$

素因数の和:4436

約数の個数: 32

約数和(自身を含む): 1826526240

約数和(自身を除く): 829635250

約数列:

[1, 2, 5, 10, 67, 134, 335, 373, 670, 746, 1865, 3730, 3989, 7978, 19945, 24991, 39890, 49982, 124955, 249910, 267263, 534526, 1336315, 1487897, 2672630, 2975794, 7439485, 14878970, 99689099, 199378198, 498445495, 996890990]

約数ペア:

[(1, 996890990), (2, 498445495), (5, 199378198), (10, 99689099), (67, 14878970), (134, 7439485), (335, 2975794), (373, 2672630), (670, 1487897), (746, 1336315), (1865, 534526), (3730, 267263), (3989, 249910), (7978, 124955), (19945, 49982), (24991, 39890)]