1340387629

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{117259}}^1$

素因数の和:117360

約数の個数: 16

約数和(自身を含む): 1621002240

約数和(自身を除く): 280614611

約数列:

[1, 7, 23, 71, 161, 497, 1633, 11431, 117259, 820813, 2696957, 8325389, 18878699, 58277723, 191483947, 1340387629]

約数ペア:

[(1, 1340387629), (7, 191483947), (23, 58277723), (71, 18878699), (161, 8325389), (497, 2696957), (1633, 820813), (11431, 117259)]