311917866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{25471}}^1$

素因数の和:25646

約数の個数: 32

約数和(自身を含む): 676128768

約数和(自身を除く): 364210902

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 942, 2041, 4082, 6123, 12246, 25471, 50942, 76413, 152826, 331123, 662246, 993369, 1986738, 3998947, 7997894, 11996841, 23993682, 51986311, 103972622, 155958933, 311917866]

約数ペア:

[(1, 311917866), (2, 155958933), (3, 103972622), (6, 51986311), (13, 23993682), (26, 11996841), (39, 7997894), (78, 3998947), (157, 1986738), (314, 993369), (471, 662246), (942, 331123), (2041, 152826), (4082, 76413), (6123, 50942), (12246, 25471)]