71189405

素因数分解:

$5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{1303}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 99896832

約数和(自身を除く): 28707427

約数列:

[1, 5, 7, 35, 49, 223, 245, 1115, 1303, 1561, 6515, 7805, 9121, 10927, 45605, 54635, 63847, 290569, 319235, 1452845, 2033983, 10169915, 14237881, 71189405]

約数ペア:

[(1, 71189405), (5, 14237881), (7, 10169915), (35, 2033983), (49, 1452845), (223, 319235), (245, 290569), (1115, 63847), (1303, 54635), (1561, 45605), (6515, 10927), (7805, 9121)]