266380205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15823}}^1$

素因数の和:15885

約数の個数: 32

約数和(自身を含む): 404081664

約数和(自身を除く): 137701459

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 15823, 16835, 79115, 110761, 205699, 553805, 585451, 1028495, 1439893, 2927255, 4098157, 7199465, 7610863, 20490785, 38054315, 53276041, 266380205]

約数ペア:

[(1, 266380205), (5, 53276041), (7, 38054315), (13, 20490785), (35, 7610863), (37, 7199465), (65, 4098157), (91, 2927255), (185, 1439893), (259, 1028495), (455, 585451), (481, 553805), (1295, 205699), (2405, 110761), (3367, 79115), (15823, 16835)]