64944775

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 97136640

約数和(自身を除く): 32191865

約数列:

[1, 5, 7, 25, 29, 35, 67, 145, 175, 191, 203, 335, 469, 725, 955, 1015, 1337, 1675, 1943, 2345, 4775, 5075, 5539, 6685, 9715, 11725, 12797, 13601, 27695, 33425, 38773, 48575, 63985, 68005, 89579, 138475, 193865, 319925, 340025, 371113, 447895, 969325, 1855565, 2239475, 2597791, 9277825, 12988955, 64944775]

約数ペア:

[(1, 64944775), (5, 12988955), (7, 9277825), (25, 2597791), (29, 2239475), (35, 1855565), (67, 969325), (145, 447895), (175, 371113), (191, 340025), (203, 319925), (335, 193865), (469, 138475), (725, 89579), (955, 68005), (1015, 63985), (1337, 48575), (1675, 38773), (1943, 33425), (2345, 27695), (4775, 13601), (5075, 12797), (5539, 11725), (6685, 9715)]