66620311667

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{255173}}^1$

素因数の和:255363

約数の個数: 32

約数和(自身を含む): 86881643520

約数和(自身を除く): 20261331853

約数列:

[1, 7, 13, 19, 91, 133, 151, 247, 1057, 1729, 1963, 2869, 13741, 20083, 37297, 255173, 261079, 1786211, 3317249, 4848287, 23220743, 33938009, 38531123, 63027731, 269717861, 441194117, 500904599, 732091337, 3506332193, 5124639359, 9517187381, 66620311667]

約数ペア:

[(1, 66620311667), (7, 9517187381), (13, 5124639359), (19, 3506332193), (91, 732091337), (133, 500904599), (151, 441194117), (247, 269717861), (1057, 63027731), (1729, 38531123), (1963, 33938009), (2869, 23220743), (13741, 4848287), (20083, 3317249), (37297, 1786211), (255173, 261079)]