261042008

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{1831}}^1$

素因数の和:2159

約数の個数: 32

約数和(自身を含む): 498597120

約数和(自身を除く): 237555112

約数列:

[1, 2, 4, 8, 71, 142, 251, 284, 502, 568, 1004, 1831, 2008, 3662, 7324, 14648, 17821, 35642, 71284, 130001, 142568, 260002, 459581, 520004, 919162, 1040008, 1838324, 3676648, 32630251, 65260502, 130521004, 261042008]

約数ペア:

[(1, 261042008), (2, 130521004), (4, 65260502), (8, 32630251), (71, 3676648), (142, 1838324), (251, 1040008), (284, 919162), (502, 520004), (568, 459581), (1004, 260002), (1831, 142568), (2008, 130001), (3662, 71284), (7324, 35642), (14648, 17821)]