78904492

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1126

約数の個数: 36

約数和(自身を含む): 148626576

約数和(自身を除く): 69722084

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 361, 722, 1007, 1031, 1444, 2014, 2062, 4028, 4124, 19133, 19589, 38266, 39178, 54643, 76532, 78356, 109286, 218572, 372191, 744382, 1038217, 1488764, 2076434, 4152868, 19726123, 39452246, 78904492]

約数ペア:

[(1, 78904492), (2, 39452246), (4, 19726123), (19, 4152868), (38, 2076434), (53, 1488764), (76, 1038217), (106, 744382), (212, 372191), (361, 218572), (722, 109286), (1007, 78356), (1031, 76532), (1444, 54643), (2014, 39178), (2062, 38266), (4028, 19589), (4124, 19133)]