645996974

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2714273}}^1$

素因数の和:2714299

約数の個数: 16

約数和(自身を含む): 1172566368

約数和(自身を除く): 526569394

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 2714273, 5428546, 18999911, 37999822, 46142641, 92285282, 322998487, 645996974]

約数ペア:

[(1, 645996974), (2, 322998487), (7, 92285282), (14, 46142641), (17, 37999822), (34, 18999911), (119, 5428546), (238, 2714273)]