71438494

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1\times {\mathrm{821}}^1$

素因数の和:1275

約数の個数: 16

約数和(自身を含む): 108405360

約数和(自身を除く): 36966866

約数列:

[1, 2, 139, 278, 313, 626, 821, 1642, 43507, 87014, 114119, 228238, 256973, 513946, 35719247, 71438494]

約数ペア:

[(1, 71438494), (2, 35719247), (139, 513946), (278, 256973), (313, 228238), (626, 114119), (821, 87014), (1642, 43507)]