1689469439

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{53267}}^1$

素因数の和:53494

約数の個数: 16

約数和(自身を含む): 2025036288

約数和(自身を除く): 335566849

約数列:

[1, 7, 23, 161, 197, 1379, 4531, 31717, 53267, 372869, 1225141, 8575987, 10493599, 73455193, 241352777, 1689469439]

約数ペア:

[(1, 1689469439), (7, 241352777), (23, 73455193), (161, 10493599), (197, 8575987), (1379, 1225141), (4531, 372869), (31717, 53267)]