16378285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2281

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 9426515

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2239, 7315, 11195, 15673, 24629, 42541, 78365, 123145, 172403, 212705, 297787, 467951, 862015, 1488935, 2339755, 3275657, 16378285]

約数ペア:

[(1, 16378285), (5, 3275657), (7, 2339755), (11, 1488935), (19, 862015), (35, 467951), (55, 297787), (77, 212705), (95, 172403), (133, 123145), (209, 78365), (385, 42541), (665, 24629), (1045, 15673), (1463, 11195), (2239, 7315)]