78790481

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 36

約数和(自身を含む): 102525444

約数和(自身を除く): 23734963

約数列:

[1, 7, 11, 49, 77, 97, 121, 137, 539, 679, 847, 959, 1067, 1507, 4753, 5929, 6713, 7469, 10549, 11737, 13289, 16577, 52283, 73843, 82159, 93023, 116039, 146179, 575113, 651161, 812273, 1023253, 1607969, 7162771, 11255783, 78790481]

約数ペア:

[(1, 78790481), (7, 11255783), (11, 7162771), (49, 1607969), (77, 1023253), (97, 812273), (121, 651161), (137, 575113), (539, 146179), (679, 116039), (847, 93023), (959, 82159), (1067, 73843), (1507, 52283), (4753, 16577), (5929, 13289), (6713, 11737), (7469, 10549)]