81471392

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{133999}}^1$

素因数の和:134028

約数の個数: 24

約数和(自身を含む): 168840000

約数和(自身を除く): 87368608

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 133999, 267998, 535996, 1071992, 2143984, 2545981, 4287968, 5091962, 10183924, 20367848, 40735696, 81471392]

約数ペア:

[(1, 81471392), (2, 40735696), (4, 20367848), (8, 10183924), (16, 5091962), (19, 4287968), (32, 2545981), (38, 2143984), (76, 1071992), (152, 535996), (304, 267998), (608, 133999)]