78878416

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 156847104

約数和(自身を除く): 77968688

約数列:

[1, 2, 4, 8, 16, 53, 106, 191, 212, 382, 424, 487, 764, 848, 974, 1528, 1948, 3056, 3896, 7792, 10123, 20246, 25811, 40492, 51622, 80984, 93017, 103244, 161968, 186034, 206488, 372068, 412976, 744136, 1488272, 4929901, 9859802, 19719604, 39439208, 78878416]

約数ペア:

[(1, 78878416), (2, 39439208), (4, 19719604), (8, 9859802), (16, 4929901), (53, 1488272), (106, 744136), (191, 412976), (212, 372068), (382, 206488), (424, 186034), (487, 161968), (764, 103244), (848, 93017), (974, 80984), (1528, 51622), (1948, 40492), (3056, 25811), (3896, 20246), (7792, 10123)]