66905090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{136541}}^1$

素因数の和:136562

約数の個数: 24

約数和(自身を含む): 140092092

約数和(自身を除く): 73187002

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 136541, 273082, 682705, 955787, 1365410, 1911574, 4778935, 6690509, 9557870, 13381018, 33452545, 66905090]

約数ペア:

[(1, 66905090), (2, 33452545), (5, 13381018), (7, 9557870), (10, 6690509), (14, 4778935), (35, 1911574), (49, 1365410), (70, 955787), (98, 682705), (245, 273082), (490, 136541)]