280121933

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{593}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 359251200

約数和(自身を除く): 79129267

約数列:

[1, 7, 13, 29, 91, 179, 203, 377, 593, 1253, 2327, 2639, 4151, 5191, 7709, 16289, 17197, 36337, 53963, 67483, 106147, 120379, 223561, 472381, 743029, 1379911, 1564927, 3078263, 9659377, 21547841, 40017419, 280121933]

約数ペア:

[(1, 280121933), (7, 40017419), (13, 21547841), (29, 9659377), (91, 3078263), (179, 1564927), (203, 1379911), (377, 743029), (593, 472381), (1253, 223561), (2327, 120379), (2639, 106147), (4151, 67483), (5191, 53963), (7709, 36337), (16289, 17197)]