16364985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 33976320

約数和(自身を除く): 17611335

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 399, 455, 631, 665, 741, 1235, 1365, 1729, 1893, 1995, 3155, 3705, 4417, 5187, 8203, 8645, 9465, 11989, 13251, 22085, 24609, 25935, 35967, 41015, 57421, 59945, 66255, 83923, 123045, 155857, 172263, 179835, 251769, 287105, 419615, 467571, 779285, 861315, 1090999, 1258845, 2337855, 3272997, 5454995, 16364985]

約数ペア:

[(1, 16364985), (3, 5454995), (5, 3272997), (7, 2337855), (13, 1258845), (15, 1090999), (19, 861315), (21, 779285), (35, 467571), (39, 419615), (57, 287105), (65, 251769), (91, 179835), (95, 172263), (105, 155857), (133, 123045), (195, 83923), (247, 66255), (273, 59945), (285, 57421), (399, 41015), (455, 35967), (631, 25935), (665, 24609), (741, 22085), (1235, 13251), (1365, 11989), (1729, 9465), (1893, 8645), (1995, 8203), (3155, 5187), (3705, 4417)]