28978530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137993}}^1$

素因数の和:138010

約数の個数: 32

約数和(自身を含む): 79484544

約数和(自身を除く): 50506014

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 137993, 275986, 413979, 689965, 827958, 965951, 1379930, 1931902, 2069895, 2897853, 4139790, 4829755, 5795706, 9659510, 14489265, 28978530]

約数ペア:

[(1, 28978530), (2, 14489265), (3, 9659510), (5, 5795706), (6, 4829755), (7, 4139790), (10, 2897853), (14, 2069895), (15, 1931902), (21, 1379930), (30, 965951), (35, 827958), (42, 689965), (70, 413979), (105, 275986), (210, 137993)]