647855956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 1255145472

約数和(自身を除く): 607289516

約数列:

[1, 2, 4, 11, 22, 44, 127, 191, 254, 382, 508, 607, 764, 1214, 1397, 2101, 2428, 2794, 4202, 5588, 6677, 8404, 13354, 24257, 26708, 48514, 77089, 97028, 115937, 154178, 231874, 266827, 308356, 463748, 533654, 847979, 1067308, 1275307, 1695958, 2550614, 3391916, 5101228, 14723999, 29447998, 58895996, 161963989, 323927978, 647855956]

約数ペア:

[(1, 647855956), (2, 323927978), (4, 161963989), (11, 58895996), (22, 29447998), (44, 14723999), (127, 5101228), (191, 3391916), (254, 2550614), (382, 1695958), (508, 1275307), (607, 1067308), (764, 847979), (1214, 533654), (1397, 463748), (2101, 308356), (2428, 266827), (2794, 231874), (4202, 154178), (5588, 115937), (6677, 97028), (8404, 77089), (13354, 48514), (24257, 26708)]