156980213005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{407740813}}^1$

素因数の和:407740836

約数の個数: 16

約数和(自身を含む): 234858708864

約数和(自身を除く): 77878495859

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 407740813, 2038704065, 2854185691, 4485148943, 14270928455, 22425744715, 31396042601, 156980213005]

約数ペア:

[(1, 156980213005), (5, 31396042601), (7, 22425744715), (11, 14270928455), (35, 4485148943), (55, 2854185691), (77, 2038704065), (385, 407740813)]