128230384

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{983}}^1$

素因数の和:1285

約数の個数: 40

約数和(自身を含む): 257697792

約数和(自身を除く): 129467408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 263, 496, 526, 983, 1052, 1966, 2104, 3932, 4208, 7864, 8153, 15728, 16306, 30473, 32612, 60946, 65224, 121892, 130448, 243784, 258529, 487568, 517058, 1034116, 2068232, 4136464, 8014399, 16028798, 32057596, 64115192, 128230384]

約数ペア:

[(1, 128230384), (2, 64115192), (4, 32057596), (8, 16028798), (16, 8014399), (31, 4136464), (62, 2068232), (124, 1034116), (248, 517058), (263, 487568), (496, 258529), (526, 243784), (983, 130448), (1052, 121892), (1966, 65224), (2104, 60946), (3932, 32612), (4208, 30473), (7864, 16306), (8153, 15728)]