78880670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19381}}^1$

素因数の和:19436

約数の個数: 32

約数和(自身を含む): 159087456

約数和(自身を除く): 80206786

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 19381, 38762, 96905, 193810, 213191, 426382, 717097, 1065955, 1434194, 2131910, 3585485, 7170970, 7888067, 15776134, 39440335, 78880670]

約数ペア:

[(1, 78880670), (2, 39440335), (5, 15776134), (10, 7888067), (11, 7170970), (22, 3585485), (37, 2131910), (55, 1434194), (74, 1065955), (110, 717097), (185, 426382), (370, 213191), (407, 193810), (814, 96905), (2035, 38762), (4070, 19381)]