65199890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 137303424

約数和(自身を除く): 72103534

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 271, 490, 491, 542, 982, 1355, 1897, 2455, 2710, 3437, 3794, 4910, 6874, 9485, 13279, 17185, 18970, 24059, 26558, 34370, 48118, 66395, 120295, 132790, 133061, 240590, 266122, 665305, 931427, 1330610, 1862854, 4657135, 6519989, 9314270, 13039978, 32599945, 65199890]

約数ペア:

[(1, 65199890), (2, 32599945), (5, 13039978), (7, 9314270), (10, 6519989), (14, 4657135), (35, 1862854), (49, 1330610), (70, 931427), (98, 665305), (245, 266122), (271, 240590), (490, 133061), (491, 132790), (542, 120295), (982, 66395), (1355, 48118), (1897, 34370), (2455, 26558), (2710, 24059), (3437, 18970), (3794, 17185), (4910, 13279), (6874, 9485)]