68399888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{577}}^1$

素因数の和:855

約数の個数: 40

約数和(自身を含む): 137610240

約数和(自身を除く): 69210352

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 239, 248, 478, 496, 577, 956, 1154, 1912, 2308, 3824, 4616, 7409, 9232, 14818, 17887, 29636, 35774, 59272, 71548, 118544, 137903, 143096, 275806, 286192, 551612, 1103224, 2206448, 4274993, 8549986, 17099972, 34199944, 68399888]

約数ペア:

[(1, 68399888), (2, 34199944), (4, 17099972), (8, 8549986), (16, 4274993), (31, 2206448), (62, 1103224), (124, 551612), (239, 286192), (248, 275806), (478, 143096), (496, 137903), (577, 118544), (956, 71548), (1154, 59272), (1912, 35774), (2308, 29636), (3824, 17887), (4616, 14818), (7409, 9232)]