87081968

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1161

約数の個数: 40

約数和(自身を含む): 173747808

約数和(自身を除く): 86665840

約数列:

[1, 2, 4, 8, 16, 53, 103, 106, 206, 212, 412, 424, 824, 848, 997, 1648, 1994, 3988, 5459, 7976, 10918, 15952, 21836, 43672, 52841, 87344, 102691, 105682, 205382, 211364, 410764, 422728, 821528, 845456, 1643056, 5442623, 10885246, 21770492, 43540984, 87081968]

約数ペア:

[(1, 87081968), (2, 43540984), (4, 21770492), (8, 10885246), (16, 5442623), (53, 1643056), (103, 845456), (106, 821528), (206, 422728), (212, 410764), (412, 211364), (424, 205382), (824, 105682), (848, 102691), (997, 87344), (1648, 52841), (1994, 43672), (3988, 21836), (5459, 15952), (7976, 10918)]