128030992

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{258127}}^1$

素因数の和:258166

約数の個数: 20

約数和(自身を含む): 256062976

約数和(自身を除く): 128031984

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 258127, 516254, 1032508, 2065016, 4130032, 8001937, 16003874, 32007748, 64015496, 128030992]

約数ペア:

[(1, 128030992), (2, 64015496), (4, 32007748), (8, 16003874), (16, 8001937), (31, 4130032), (62, 2065016), (124, 1032508), (248, 516254), (496, 258127)]