142844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:125

約数の個数: 24

約数和(自身を含む): 279888

約数和(自身を除く): 137044

約数列:

[1, 2, 4, 13, 26, 41, 52, 67, 82, 134, 164, 268, 533, 871, 1066, 1742, 2132, 2747, 3484, 5494, 10988, 35711, 71422, 142844]

約数ペア:

[(1, 142844), (2, 71422), (4, 35711), (13, 10988), (26, 5494), (41, 3484), (52, 2747), (67, 2132), (82, 1742), (134, 1066), (164, 871), (268, 533)]