1388873878

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1\times {\mathrm{2689}}^1$

素因数の和:3244

約数の個数: 32

約数和(自身を含む): 2417126400

約数和(自身を除く): 1028252522

約数列:

[1, 2, 7, 14, 79, 158, 467, 553, 934, 1106, 2689, 3269, 5378, 6538, 18823, 36893, 37646, 73786, 212431, 258251, 424862, 516502, 1255763, 1487017, 2511526, 2974034, 8790341, 17580682, 99205277, 198410554, 694436939, 1388873878]

約数ペア:

[(1, 1388873878), (2, 694436939), (7, 198410554), (14, 99205277), (79, 17580682), (158, 8790341), (467, 2974034), (553, 2511526), (934, 1487017), (1106, 1255763), (2689, 516502), (3269, 424862), (5378, 258251), (6538, 212431), (18823, 73786), (36893, 37646)]