268784789

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{569}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 344736000

約数和(自身を除く): 75951211

約数列:

[1, 7, 13, 29, 91, 179, 203, 377, 569, 1253, 2327, 2639, 3983, 5191, 7397, 16289, 16501, 36337, 51779, 67483, 101851, 115507, 214513, 472381, 712957, 1324063, 1501591, 2953679, 9268441, 20675753, 38397827, 268784789]

約数ペア:

[(1, 268784789), (7, 38397827), (13, 20675753), (29, 9268441), (91, 2953679), (179, 1501591), (203, 1324063), (377, 712957), (569, 472381), (1253, 214513), (2327, 115507), (2639, 101851), (3983, 67483), (5191, 51779), (7397, 36337), (16289, 16501)]