856558890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{865211}}^1$

素因数の和:865235

約数の個数: 48

約数和(自身を含む): 2429515296

約数和(自身を除く): 1572956406

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 865211, 1730422, 2595633, 4326055, 5191266, 7786899, 8652110, 9517321, 12978165, 15573798, 19034642, 25956330, 28551963, 38934495, 47586605, 57103926, 77868990, 85655889, 95173210, 142759815, 171311778, 285519630, 428279445, 856558890]

約数ペア:

[(1, 856558890), (2, 428279445), (3, 285519630), (5, 171311778), (6, 142759815), (9, 95173210), (10, 85655889), (11, 77868990), (15, 57103926), (18, 47586605), (22, 38934495), (30, 28551963), (33, 25956330), (45, 19034642), (55, 15573798), (66, 12978165), (90, 9517321), (99, 8652110), (110, 7786899), (165, 5191266), (198, 4326055), (330, 2595633), (495, 1730422), (990, 865211)]