642735863

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 817858560

約数和(自身を除く): 175122697

約数列:

[1, 7, 11, 77, 79, 157, 553, 673, 869, 1099, 1727, 4711, 6083, 7403, 12089, 12403, 51821, 53167, 86821, 105661, 136433, 372169, 584837, 739627, 955031, 1162271, 4093859, 8135897, 8347219, 58430533, 91819409, 642735863]

約数ペア:

[(1, 642735863), (7, 91819409), (11, 58430533), (77, 8347219), (79, 8135897), (157, 4093859), (553, 1162271), (673, 955031), (869, 739627), (1099, 584837), (1727, 372169), (4711, 136433), (6083, 105661), (7403, 86821), (12089, 53167), (12403, 51821)]