165720308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67807}}^1$

素因数の和:67871

約数の個数: 24

約数和(自身を含む): 318968832

約数和(自身を除く): 153248524

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 67807, 135614, 271228, 881491, 1762982, 3186929, 3525964, 6373858, 12747716, 41430077, 82860154, 165720308]

約数ペア:

[(1, 165720308), (2, 82860154), (4, 41430077), (13, 12747716), (26, 6373858), (47, 3525964), (52, 3186929), (94, 1762982), (188, 881491), (611, 271228), (1222, 135614), (2444, 67807)]