855366985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 1264377600

約数和(自身を除く): 409010615

約数列:

[1, 5, 11, 17, 19, 55, 85, 89, 95, 187, 209, 323, 445, 541, 935, 979, 1045, 1513, 1615, 1691, 2705, 3553, 4895, 5951, 7565, 8455, 9197, 10279, 16643, 17765, 18601, 28747, 29755, 45985, 48149, 51395, 83215, 93005, 101167, 113069, 143735, 174743, 240745, 316217, 505835, 529639, 565345, 818533, 873715, 914831, 1581085, 1922173, 2648195, 4092665, 4574155, 9003863, 9610865, 10063141, 15552127, 45019315, 50315705, 77760635, 171073397, 855366985]

約数ペア:

[(1, 855366985), (5, 171073397), (11, 77760635), (17, 50315705), (19, 45019315), (55, 15552127), (85, 10063141), (89, 9610865), (95, 9003863), (187, 4574155), (209, 4092665), (323, 2648195), (445, 1922173), (541, 1581085), (935, 914831), (979, 873715), (1045, 818533), (1513, 565345), (1615, 529639), (1691, 505835), (2705, 316217), (3553, 240745), (4895, 174743), (5951, 143735), (7565, 113069), (8455, 101167), (9197, 93005), (10279, 83215), (16643, 51395), (17765, 48149), (18601, 45985), (28747, 29755)]