1638156738

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{44129}}^1$

素因数の和:44426

約数の個数: 32

約数和(自身を含む): 3431548800

約数和(自身を除く): 1793392062

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 269, 538, 807, 1614, 6187, 12374, 18561, 37122, 44129, 88258, 132387, 264774, 1014967, 2029934, 3044901, 6089802, 11870701, 23741402, 35612103, 71224206, 273026123, 546052246, 819078369, 1638156738]

約数ペア:

[(1, 1638156738), (2, 819078369), (3, 546052246), (6, 273026123), (23, 71224206), (46, 35612103), (69, 23741402), (138, 11870701), (269, 6089802), (538, 3044901), (807, 2029934), (1614, 1014967), (6187, 264774), (12374, 132387), (18561, 88258), (37122, 44129)]