1989356138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{35983}}^1$

素因数の和:36362

約数の個数: 32

約数和(自身を含む): 3730821120

約数和(自身を除く): 1741464982

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 359, 718, 2513, 3949, 5026, 7898, 27643, 35983, 55286, 71966, 251881, 395813, 503762, 791626, 2770691, 5541382, 12917897, 25835794, 90425279, 142096867, 180850558, 284193734, 994678069, 1989356138]

約数ペア:

[(1, 1989356138), (2, 994678069), (7, 284193734), (11, 180850558), (14, 142096867), (22, 90425279), (77, 25835794), (154, 12917897), (359, 5541382), (718, 2770691), (2513, 791626), (3949, 503762), (5026, 395813), (7898, 251881), (27643, 71966), (35983, 55286)]