2644642

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 5330304

約数和(自身を除く): 2685662

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 1321, 2002, 2642, 9247, 14531, 17173, 18494, 29062, 34346, 101717, 120211, 188903, 203434, 240422, 377806, 1322321, 2644642]

約数ペア:

[(1, 2644642), (2, 1322321), (7, 377806), (11, 240422), (13, 203434), (14, 188903), (22, 120211), (26, 101717), (77, 34346), (91, 29062), (143, 18494), (154, 17173), (182, 14531), (286, 9247), (1001, 2642), (1321, 2002)]