28156842

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{74489}}^1$

素因数の和:74507

約数の個数: 32

約数和(自身を含む): 71510400

約数和(自身を除く): 43353558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 74489, 148978, 223467, 446934, 521423, 670401, 1042846, 1340802, 1564269, 2011203, 3128538, 4022406, 4692807, 9385614, 14078421, 28156842]

約数ペア:

[(1, 28156842), (2, 14078421), (3, 9385614), (6, 4692807), (7, 4022406), (9, 3128538), (14, 2011203), (18, 1564269), (21, 1340802), (27, 1042846), (42, 670401), (54, 521423), (63, 446934), (126, 223467), (189, 148978), (378, 74489)]