81698188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{613}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 168962976

約数和(自身を除く): 87264788

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 233, 286, 466, 572, 613, 932, 1226, 2452, 2563, 3029, 5126, 6058, 6743, 7969, 10252, 12116, 13486, 15938, 26972, 31876, 33319, 66638, 87659, 133276, 142829, 175318, 285658, 350636, 571316, 1571119, 1856777, 3142238, 3713554, 6284476, 7427108, 20424547, 40849094, 81698188]

約数ペア:

[(1, 81698188), (2, 40849094), (4, 20424547), (11, 7427108), (13, 6284476), (22, 3713554), (26, 3142238), (44, 1856777), (52, 1571119), (143, 571316), (233, 350636), (286, 285658), (466, 175318), (572, 142829), (613, 133276), (932, 87659), (1226, 66638), (2452, 33319), (2563, 31876), (3029, 26972), (5126, 15938), (6058, 13486), (6743, 12116), (7969, 10252)]