128845556

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 263711616

約数和(自身を除く): 134866060

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 173, 268, 346, 397, 469, 692, 794, 938, 1211, 1588, 1876, 2422, 2779, 4844, 5558, 11116, 11591, 23182, 26599, 46364, 53198, 68681, 81137, 106396, 137362, 162274, 186193, 274724, 324548, 372386, 480767, 744772, 961534, 1923068, 4601627, 9203254, 18406508, 32211389, 64422778, 128845556]

約数ペア:

[(1, 128845556), (2, 64422778), (4, 32211389), (7, 18406508), (14, 9203254), (28, 4601627), (67, 1923068), (134, 961534), (173, 744772), (268, 480767), (346, 372386), (397, 324548), (469, 274724), (692, 186193), (794, 162274), (938, 137362), (1211, 106396), (1588, 81137), (1876, 68681), (2422, 53198), (2779, 46364), (4844, 26599), (5558, 23182), (11116, 11591)]