7791810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19979}}^1$

素因数の和:20002

約数の個数: 32

約数和(自身を含む): 20139840

約数和(自身を除く): 12348030

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19979, 39958, 59937, 99895, 119874, 199790, 259727, 299685, 519454, 599370, 779181, 1298635, 1558362, 2597270, 3895905, 7791810]

約数ペア:

[(1, 7791810), (2, 3895905), (3, 2597270), (5, 1558362), (6, 1298635), (10, 779181), (13, 599370), (15, 519454), (26, 299685), (30, 259727), (39, 199790), (65, 119874), (78, 99895), (130, 59937), (195, 39958), (390, 19979)]