890221254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{128237}}^1$

素因数の和:128344

約数の個数: 32

約数和(自身を含む): 1938958560

約数和(自身を除く): 1048737306

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 3471, 6942, 128237, 256474, 384711, 769422, 1667081, 3334162, 5001243, 10002486, 11413093, 22826186, 34239279, 68478558, 148370209, 296740418, 445110627, 890221254]

約数ペア:

[(1, 890221254), (2, 445110627), (3, 296740418), (6, 148370209), (13, 68478558), (26, 34239279), (39, 22826186), (78, 11413093), (89, 10002486), (178, 5001243), (267, 3334162), (534, 1667081), (1157, 769422), (2314, 384711), (3471, 256474), (6942, 128237)]