389625817

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 476421120

約数和(自身を除く): 86795303

約数列:

[1, 7, 29, 47, 97, 203, 329, 421, 679, 1363, 2813, 2947, 4559, 9541, 12209, 19691, 19787, 31913, 40837, 85463, 132211, 138509, 285859, 573823, 925477, 1184273, 1919339, 4016761, 8289911, 13435373, 55660831, 389625817]

約数ペア:

[(1, 389625817), (7, 55660831), (29, 13435373), (47, 8289911), (97, 4016761), (203, 1919339), (329, 1184273), (421, 925477), (679, 573823), (1363, 285859), (2813, 138509), (2947, 132211), (4559, 85463), (9541, 40837), (12209, 31913), (19691, 19787)]