1645404774

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{39877}}^1$

素因数の和:39941

約数の個数: 48

約数和(自身を含む): 3704825712

約数和(自身を除く): 2059420938

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 529, 598, 897, 1058, 1587, 1794, 3174, 6877, 13754, 20631, 39877, 41262, 79754, 119631, 239262, 518401, 917171, 1036802, 1555203, 1834342, 2751513, 3110406, 5503026, 11923223, 21094933, 23846446, 35769669, 42189866, 63284799, 71539338, 126569598, 274234129, 548468258, 822702387, 1645404774]

約数ペア:

[(1, 1645404774), (2, 822702387), (3, 548468258), (6, 274234129), (13, 126569598), (23, 71539338), (26, 63284799), (39, 42189866), (46, 35769669), (69, 23846446), (78, 21094933), (138, 11923223), (299, 5503026), (529, 3110406), (598, 2751513), (897, 1834342), (1058, 1555203), (1587, 1036802), (1794, 917171), (3174, 518401), (6877, 239262), (13754, 119631), (20631, 79754), (39877, 41262)]