71387912

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{207523}}^1$

素因数の和:207572

約数の個数: 16

約数和(自身を含む): 136965840

約数和(自身を除く): 65577928

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 207523, 415046, 830092, 1660184, 8923489, 17846978, 35693956, 71387912]

約数ペア:

[(1, 71387912), (2, 35693956), (4, 17846978), (8, 8923489), (43, 1660184), (86, 830092), (172, 415046), (344, 207523)]