278334

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^2$

素因数の和:109

約数の個数: 36

約数和(自身を含む): 704184

約数和(自身を除く): 425850

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2209, 2961, 4418, 5922, 6627, 13254, 15463, 19881, 30926, 39762, 46389, 92778, 139167, 278334]

約数ペア:

[(1, 278334), (2, 139167), (3, 92778), (6, 46389), (7, 39762), (9, 30926), (14, 19881), (18, 15463), (21, 13254), (42, 6627), (47, 5922), (63, 4418), (94, 2961), (126, 2209), (141, 1974), (282, 987), (329, 846), (423, 658)]