81884972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{2797}}^1$

素因数の和:3377

約数の個数: 24

約数和(自身を含む): 154651056

約数和(自身を除く): 72766084

約数列:

[1, 2, 4, 13, 26, 52, 563, 1126, 2252, 2797, 5594, 7319, 11188, 14638, 29276, 36361, 72722, 145444, 1574711, 3149422, 6298844, 20471243, 40942486, 81884972]

約数ペア:

[(1, 81884972), (2, 40942486), (4, 20471243), (13, 6298844), (26, 3149422), (52, 1574711), (563, 145444), (1126, 72722), (2252, 36361), (2797, 29276), (5594, 14638), (7319, 11188)]