68601884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42557}}^1$

素因数の和:42605

約数の個数: 24

約数和(自身を含む): 133461888

約数和(自身を除く): 64860004

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 42557, 85114, 170228, 553241, 1106482, 1319267, 2212964, 2638534, 5277068, 17150471, 34300942, 68601884]

約数ペア:

[(1, 68601884), (2, 34300942), (4, 17150471), (13, 5277068), (26, 2638534), (31, 2212964), (52, 1319267), (62, 1106482), (124, 553241), (403, 170228), (806, 85114), (1612, 42557)]