67388321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2927}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 94445568

約数和(自身を除く): 27057247

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 1001, 1771, 2093, 2927, 3289, 20489, 23023, 32197, 38051, 67321, 225379, 266357, 418561, 471247, 740531, 875173, 2929927, 5183717, 6126211, 9626903, 67388321]

約数ペア:

[(1, 67388321), (7, 9626903), (11, 6126211), (13, 5183717), (23, 2929927), (77, 875173), (91, 740531), (143, 471247), (161, 418561), (253, 266357), (299, 225379), (1001, 67321), (1771, 38051), (2093, 32197), (2927, 23023), (3289, 20489)]