657204860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{8627}}^1$

素因数の和:8942

約数の個数: 48

約数和(自身を含む): 1491539616

約数和(自身を除く): 834334756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 586, 1172, 1465, 2930, 3809, 5860, 7618, 8627, 15236, 17254, 19045, 34508, 38090, 43135, 76180, 86270, 112151, 172540, 224302, 448604, 560755, 1121510, 2243020, 2527711, 5055422, 10110844, 12638555, 25277110, 32860243, 50554220, 65720486, 131440972, 164301215, 328602430, 657204860]

約数ペア:

[(1, 657204860), (2, 328602430), (4, 164301215), (5, 131440972), (10, 65720486), (13, 50554220), (20, 32860243), (26, 25277110), (52, 12638555), (65, 10110844), (130, 5055422), (260, 2527711), (293, 2243020), (586, 1121510), (1172, 560755), (1465, 448604), (2930, 224302), (3809, 172540), (5860, 112151), (7618, 86270), (8627, 76180), (15236, 43135), (17254, 38090), (19045, 34508)]