311917768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{32303}}^1$

素因数の和:32397

約数の個数: 32

約数和(自身を含む): 627989760

約数和(自身を除く): 316071992

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2414, 4828, 9656, 32303, 64606, 129212, 258424, 549151, 1098302, 2196604, 2293513, 4393208, 4587026, 9174052, 18348104, 38989721, 77979442, 155958884, 311917768]

約数ペア:

[(1, 311917768), (2, 155958884), (4, 77979442), (8, 38989721), (17, 18348104), (34, 9174052), (68, 4587026), (71, 4393208), (136, 2293513), (142, 2196604), (284, 1098302), (568, 549151), (1207, 258424), (2414, 129212), (4828, 64606), (9656, 32303)]