217426825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{631}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 338549760

約数和(自身を除く): 121122935

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 179, 275, 385, 631, 895, 1253, 1925, 1969, 3155, 4417, 4475, 6265, 6941, 9845, 13783, 15775, 22085, 31325, 34705, 48587, 49225, 68915, 110425, 112949, 173525, 242935, 344575, 564745, 790643, 1214675, 1242439, 2823725, 3953215, 6212195, 8697073, 19766075, 31060975, 43485365, 217426825]

約数ペア:

[(1, 217426825), (5, 43485365), (7, 31060975), (11, 19766075), (25, 8697073), (35, 6212195), (55, 3953215), (77, 2823725), (175, 1242439), (179, 1214675), (275, 790643), (385, 564745), (631, 344575), (895, 242935), (1253, 173525), (1925, 112949), (1969, 110425), (3155, 68915), (4417, 49225), (4475, 48587), (6265, 34705), (6941, 31325), (9845, 22085), (13783, 15775)]