661393460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{363403}}^1$

素因数の和:363432

約数の個数: 48

約数和(自身を含む): 1709452416

約数和(自身を除く): 1048058956

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 363403, 726806, 1453612, 1817015, 2543821, 3634030, 4724239, 5087642, 7268060, 9448478, 10175284, 12719105, 18896956, 23621195, 25438210, 33069673, 47242390, 50876420, 66139346, 94484780, 132278692, 165348365, 330696730, 661393460]

約数ペア:

[(1, 661393460), (2, 330696730), (4, 165348365), (5, 132278692), (7, 94484780), (10, 66139346), (13, 50876420), (14, 47242390), (20, 33069673), (26, 25438210), (28, 23621195), (35, 18896956), (52, 12719105), (65, 10175284), (70, 9448478), (91, 7268060), (130, 5087642), (140, 4724239), (182, 3634030), (260, 2543821), (364, 1817015), (455, 1453612), (910, 726806), (1820, 363403)]