890514

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:276

約数の個数: 40

約数和(自身を含む): 2090880

約数和(自身を除く): 1200366

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 239, 414, 478, 621, 717, 1242, 1434, 1863, 2151, 3726, 4302, 5497, 6453, 10994, 12906, 16491, 19359, 32982, 38718, 49473, 98946, 148419, 296838, 445257, 890514]

約数ペア:

[(1, 890514), (2, 445257), (3, 296838), (6, 148419), (9, 98946), (18, 49473), (23, 38718), (27, 32982), (46, 19359), (54, 16491), (69, 12906), (81, 10994), (138, 6453), (162, 5497), (207, 4302), (239, 3726), (414, 2151), (478, 1863), (621, 1434), (717, 1242)]