290486021

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{503}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 369266688

約数和(自身を除く): 78780667

約数列:

[1, 7, 17, 23, 119, 161, 211, 391, 503, 1477, 2737, 3521, 3587, 4853, 8551, 11569, 25109, 33971, 59857, 80983, 82501, 106133, 196673, 577507, 742931, 1376711, 1804261, 2441059, 12629827, 17087413, 41498003, 290486021]

約数ペア:

[(1, 290486021), (7, 41498003), (17, 17087413), (23, 12629827), (119, 2441059), (161, 1804261), (211, 1376711), (391, 742931), (503, 577507), (1477, 196673), (2737, 106133), (3521, 82501), (3587, 80983), (4853, 59857), (8551, 33971), (11569, 25109)]