28009674

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2887}}^1$

素因数の和:2920

約数の個数: 72

約数和(自身を含む): 77040288

約数和(自身を除く): 49030614

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 2887, 3234, 4851, 5774, 8661, 9702, 17322, 20209, 25983, 31757, 40418, 51966, 60627, 63514, 95271, 121254, 141463, 181881, 190542, 222299, 282926, 285813, 363762, 424389, 444598, 571626, 666897, 848778, 1273167, 1333794, 1556093, 2000691, 2546334, 3112186, 4001382, 4668279, 9336558, 14004837, 28009674]

約数ペア:

[(1, 28009674), (2, 14004837), (3, 9336558), (6, 4668279), (7, 4001382), (9, 3112186), (11, 2546334), (14, 2000691), (18, 1556093), (21, 1333794), (22, 1273167), (33, 848778), (42, 666897), (49, 571626), (63, 444598), (66, 424389), (77, 363762), (98, 285813), (99, 282926), (126, 222299), (147, 190542), (154, 181881), (198, 141463), (231, 121254), (294, 95271), (441, 63514), (462, 60627), (539, 51966), (693, 40418), (882, 31757), (1078, 25983), (1386, 20209), (1617, 17322), (2887, 9702), (3234, 8661), (4851, 5774)]