64885247

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 81553920

約数和(自身を除く): 16668673

約数列:

[1, 7, 19, 41, 73, 133, 163, 287, 511, 779, 1141, 1387, 2993, 3097, 5453, 6683, 9709, 11899, 20951, 21679, 46781, 56867, 83293, 126977, 226081, 398069, 487859, 888839, 1582567, 3415013, 9269321, 64885247]

約数ペア:

[(1, 64885247), (7, 9269321), (19, 3415013), (41, 1582567), (73, 888839), (133, 487859), (163, 398069), (287, 226081), (511, 126977), (779, 83293), (1141, 56867), (1387, 46781), (2993, 21679), (3097, 20951), (5453, 11899), (6683, 9709)]