398342014

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{26321}}^1$

素因数の和:26400

約数の個数: 32

約数和(自身を含む): 727750656

約数和(自身を除く): 329408642

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 2162, 7567, 15134, 26321, 52642, 184247, 368494, 605383, 1210766, 1237087, 2474174, 4237681, 8475362, 8659609, 17319218, 28453001, 56906002, 199171007, 398342014]

約数ペア:

[(1, 398342014), (2, 199171007), (7, 56906002), (14, 28453001), (23, 17319218), (46, 8659609), (47, 8475362), (94, 4237681), (161, 2474174), (322, 1237087), (329, 1210766), (658, 605383), (1081, 368494), (2162, 184247), (7567, 52642), (15134, 26321)]