81780776

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{132761}}^1$

素因数の和:132785

約数の個数: 32

約数和(自身を含む): 191177280

約数和(自身を除く): 109396504

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 132761, 265522, 531044, 929327, 1062088, 1460371, 1858654, 2920742, 3717308, 5841484, 7434616, 10222597, 11682968, 20445194, 40890388, 81780776]

約数ペア:

[(1, 81780776), (2, 40890388), (4, 20445194), (7, 11682968), (8, 10222597), (11, 7434616), (14, 5841484), (22, 3717308), (28, 2920742), (44, 1858654), (56, 1460371), (77, 1062088), (88, 929327), (154, 531044), (308, 265522), (616, 132761)]