66521368

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{19751}}^1$

素因数の和:20178

約数の個数: 16

約数和(自身を含む): 125030160

約数和(自身を除く): 58508792

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 19751, 39502, 79004, 158008, 8315171, 16630342, 33260684, 66521368]

約数ペア:

[(1, 66521368), (2, 33260684), (4, 16630342), (8, 8315171), (421, 158008), (842, 79004), (1684, 39502), (3368, 19751)]