16939615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1959

約数の個数: 32

約数和(自身を含む): 26459136

約数和(自身を除く): 9519521

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 1913, 8855, 9565, 13391, 21043, 43999, 66955, 105215, 147301, 219995, 307993, 483989, 736505, 1539965, 2419945, 3387923, 16939615]

約数ペア:

[(1, 16939615), (5, 3387923), (7, 2419945), (11, 1539965), (23, 736505), (35, 483989), (55, 307993), (77, 219995), (115, 147301), (161, 105215), (253, 66955), (385, 43999), (805, 21043), (1265, 13391), (1771, 9565), (1913, 8855)]