64221988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{3361}}^1$

素因数の和:3663

約数の個数: 24

約数和(自身を含む): 119458584

約数和(自身を除く): 55236596

約数列:

[1, 2, 4, 17, 34, 68, 281, 562, 1124, 3361, 4777, 6722, 9554, 13444, 19108, 57137, 114274, 228548, 944441, 1888882, 3777764, 16055497, 32110994, 64221988]

約数ペア:

[(1, 64221988), (2, 32110994), (4, 16055497), (17, 3777764), (34, 1888882), (68, 944441), (281, 228548), (562, 114274), (1124, 57137), (3361, 19108), (4777, 13444), (6722, 9554)]