139997516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 266499072

約数和(自身を除く): 126501556

約数列:

[1, 2, 4, 17, 34, 68, 71, 107, 142, 214, 271, 284, 428, 542, 1084, 1207, 1819, 2414, 3638, 4607, 4828, 7276, 7597, 9214, 15194, 18428, 19241, 28997, 30388, 38482, 57994, 76964, 115988, 129149, 258298, 327097, 492949, 516596, 654194, 985898, 1308388, 1971796, 2058787, 4117574, 8235148, 34999379, 69998758, 139997516]

約数ペア:

[(1, 139997516), (2, 69998758), (4, 34999379), (17, 8235148), (34, 4117574), (68, 2058787), (71, 1971796), (107, 1308388), (142, 985898), (214, 654194), (271, 516596), (284, 492949), (428, 327097), (542, 258298), (1084, 129149), (1207, 115988), (1819, 76964), (2414, 57994), (3638, 38482), (4607, 30388), (4828, 28997), (7276, 19241), (7597, 18428), (9214, 15194)]