51817990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{105751}}^1$

素因数の和:105772

約数の個数: 24

約数和(自身を含む): 108501552

約数和(自身を除く): 56683562

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 105751, 211502, 528755, 740257, 1057510, 1480514, 3701285, 5181799, 7402570, 10363598, 25908995, 51817990]

約数ペア:

[(1, 51817990), (2, 25908995), (5, 10363598), (7, 7402570), (10, 5181799), (14, 3701285), (35, 1480514), (49, 1057510), (70, 740257), (98, 528755), (245, 211502), (490, 105751)]