680978010812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5261}}^1\times {\mathrm{16253}}^1$

素因数の和:21710

約数の個数: 48

約数和(自身を含む): 1307560441824

約数和(自身を除く): 626582431012

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 3982, 5261, 7964, 10522, 16253, 21044, 32506, 57871, 65012, 115742, 178783, 231484, 357566, 715132, 952241, 1904482, 2941793, 3808964, 5883586, 10474651, 11767172, 20949302, 32359723, 41898604, 64719446, 85507033, 129438892, 171014066, 342028132, 940577363, 1881154726, 3762309452, 15476772973, 30953545946, 61907091892, 170244502703, 340489005406, 680978010812]

約数ペア:

[(1, 680978010812), (2, 340489005406), (4, 170244502703), (11, 61907091892), (22, 30953545946), (44, 15476772973), (181, 3762309452), (362, 1881154726), (724, 940577363), (1991, 342028132), (3982, 171014066), (5261, 129438892), (7964, 85507033), (10522, 64719446), (16253, 41898604), (21044, 32359723), (32506, 20949302), (57871, 11767172), (65012, 10474651), (115742, 5883586), (178783, 3808964), (231484, 2941793), (357566, 1904482), (715132, 952241)]