291004090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1\times {\mathrm{2389}}^1$

素因数の和:3346

約数の個数: 32

約数和(自身を含む): 564938640

約数和(自身を除く): 273934550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 937, 1874, 2389, 4685, 4778, 9370, 11945, 12181, 23890, 24362, 31057, 60905, 62114, 121810, 155285, 310570, 2238493, 4476986, 11192465, 22384930, 29100409, 58200818, 145502045, 291004090]

約数ペア:

[(1, 291004090), (2, 145502045), (5, 58200818), (10, 29100409), (13, 22384930), (26, 11192465), (65, 4476986), (130, 2238493), (937, 310570), (1874, 155285), (2389, 121810), (4685, 62114), (4778, 60905), (9370, 31057), (11945, 24362), (12181, 23890)]