31309810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1289}}^1$

素因数の和:1650

約数の個数: 32

約数和(自身を含む): 64644480

約数和(自身を除く): 33334670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 347, 694, 1289, 1735, 2429, 2578, 3470, 4858, 6445, 9023, 12145, 12890, 18046, 24290, 45115, 90230, 447283, 894566, 2236415, 3130981, 4472830, 6261962, 15654905, 31309810]

約数ペア:

[(1, 31309810), (2, 15654905), (5, 6261962), (7, 4472830), (10, 3130981), (14, 2236415), (35, 894566), (70, 447283), (347, 90230), (694, 45115), (1289, 24290), (1735, 18046), (2429, 12890), (2578, 12145), (3470, 9023), (4858, 6445)]