81037670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{165383}}^1$

素因数の和:165404

約数の個数: 24

約数和(自身を含む): 169683984

約数和(自身を除く): 88646314

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 165383, 330766, 826915, 1157681, 1653830, 2315362, 5788405, 8103767, 11576810, 16207534, 40518835, 81037670]

約数ペア:

[(1, 81037670), (2, 40518835), (5, 16207534), (7, 11576810), (10, 8103767), (14, 5788405), (35, 2315362), (49, 1653830), (70, 1157681), (98, 826915), (245, 330766), (490, 165383)]