66987956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{140731}}^1$

素因数の和:140759

約数の個数: 24

約数和(自身を含む): 141857856

約数和(自身を除く): 74869900

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 140731, 281462, 562924, 985117, 1970234, 2392427, 3940468, 4784854, 9569708, 16746989, 33493978, 66987956]

約数ペア:

[(1, 66987956), (2, 33493978), (4, 16746989), (7, 9569708), (14, 4784854), (17, 3940468), (28, 2392427), (34, 1970234), (68, 985117), (119, 562924), (238, 281462), (476, 140731)]